Iron lung Health Dictionary

Iron Lung: From 2 Different Sources


A large machine formerly used to maintain breathing, especially in people paralysed by poliomyelitis. The iron lung has been replaced by more efficient means of maintaining breathing (see ventilation).
Health Source: BMA Medical Dictionary
Author: The British Medical Association

Iron

A metal which is an essential constituent of the red blood corpuscles, where it is present in the form of HAEMOGLOBIN. It is also present in muscle as MYOGLOBIN, and in certain respiratory pigments which are essential to the life of many tissues in the body. Iron is absorbed principally in the upper part of the small intestine. It is then stored: mainly in the liver; to a lesser extent in the spleen and kidneys, where it is available, when required, for use in the bone marrow to form the haemoglobin in red blood corpuscles. The daily iron requirement of an adult is 15–20 milligrams. This requirement is increased during pregnancy.

Uses The main use of iron is in the treatment of iron-de?ciency anaemias (See ANAEMIA.) Iron preparations sometimes cause irritation of the gastrointestinal tract, and should therefore always be taken after meals. They sometimes produce a tendency towards constipation. Whenever possible, iron preparations should be given by mouth; if PARENTERAL administration is clinically necessary because of malabsorption, a suitable preparation is iron sorbitol injection given intramuscularly. Most patients respond successfully to oral iron preparations.... iron

Farmer’s Lung

Allergic alveolitis. An occupational lung disease due to inhaling dust and mouldy grain, hay or other mouldy vegetable produce. Usually affects farm workers and those exposed to its wide range of allergens.

Symptoms: Influenza-like fever, breathlessness, cough.

Prognosis: Chronic lung damage and progressive disability.

Indicated: antifungals, antibiotics.

Alternatives. Teas. Marigold, Ground Ivy, Scarlet Pimpernel, Yarrow. 1 heaped teaspoon to each cup boiling water; infuse 5-15 minutes; 1 cup freely.

Tablets/capsules. Garlic, Echinacea, Goldenseal, Thuja.

Powders. Combine, parts, Echinacea 3; Goldenseal 1; Thuja 1. Dose: 500mg, (two 00 capsules or one- third teaspoon) thrice daily.

Decoction. Irish Moss, to promote expectoration and eliminate debris.

Tinctures. Alternatives. (1) Echinacea 2; Lobelia 1; Liquorice 1. (2) Equal parts: Wild Indigo, Thuja and Pleurisy root. (3) Echinacea 2; Marigold 1; Thuja half; Liquorice half. Dosage: two 5ml teaspoons in water thrice daily. Acute cases: every 2 hours.

Topical. Inhalation of Eucalyptus or Tea Tree oils.

Diet. See: DIET – GENERAL. Yoghurt in place of milk.

Note: Bronchodilators of little value. Those at risk should have an X-ray at regular intervals. ... farmer’s lung

Heart-lung Machine

A device that temporarily takes over the function of the heart and lungs. It is used in certain operations in the chest, giving the surgeon more time for operations such as open-heart surgery, heart transplants and heart-lung transplants. The machine also ensures an operating area largely free of blood, which helps the surgeon to work more quickly. A pump replaces the heart and an oxygenator replaces the lungs. When connected up, the machine in e?ect bypasses normal cardiopulmonary activity. It also contains a heat exchanger to warm or cool the patient’s blood according to the requirements of the operation. The patient is given an anticoagulant (HEPARIN) to counteract clotting which may occur when blood cells get damaged during the machine’s use. Patients are on the machine for a few hours only, because blood supply to vital organs begins to be reduced.... heart-lung machine

Lung

One of the 2 main organs of the respiratory system. The lungs supply the body with the oxygen needed for aerobic metabolism and eliminate the waste product carbon dioxide. Air is delivered to the lungs via the trachea (windpipe); this branches into 2 main bronchi (air passages), with 1 bronchus supplying each lung. The main bronchi divide again into smaller bronchi and then into bronchioles, which lead to air passages that open out into grape-like air sacs called alveoli (see alveolus, pulmonary). Oxygen and carbon dioxide diffuse into or out of the blood through the thin walls of the alveoli. Each lung is enclosed in a double membrane called the pleura; thetwo layers of the pleura secrete a lubricating fluid that enables the lungs to move freely as they expand and contract during breathing. (See also respiration.) lung cancer The most common form of cancer in the. Tobacco-smoking is the main cause. Passive smoking (the inhalation of tobacco smoke by nonsmokers) and environmental pollution (for example, with radioactive minerals or asbestos) are also risk factors.

The first and most common symptom is a cough. Other symptoms include coughing up blood, shortness of breath, and chest pain. Lung cancer can spread to other parts of the body, especially the liver, brain, and bones. In most cases, the cancer is revealed in a chest X-ray. To confirm the diagnosis, tissue must be examined microscopically for the presence of cancerous cells (see cytology). If lung cancer is diagnosed at an early stage, pneumonectomy (removal of the lung) or lobectomy (removal of part of the lung) may be possible. Anticancer drugs and radiotherapy may also be used. lung, collapse of See atelectasis; pneumothorax.... lung

Artificial Ventilation Of The Lungs

When we breathe in, the outward movement of the chest increases the volume of the lungs and the pressure in them falls below that of the outside world. Therefore, air is drawn in automatically. When we breathe out, some air exits because of the normal elastic recoil of the lungs, but we also force air out by using the muscles of the chest and the DIAPHRAGM. Replicating this arti?cially involves using a device to produce intermittent positive or negative pressure ventilation as described below.... artificial ventilation of the lungs

Bird Fancier’s Lung

Also known as pigeon breeder’s lung, this is a form of extrinsic allergic ALVEOLITIS resulting from sensitisation to birds. In bird fanciers, skin tests sometimes show sensitisation to birds’ droppings, eggs, protein and serum, even through there has been no evidence of any illness.... bird fancier’s lung

Budgerigar-fancier’s Lung

Budgerigar-fancier’s lung is a form of extrinsic allergic ALVEOLITIS, resulting from sensitisation to budgerigars, or parakeets as they are known in North America. Skin tests have revealed sensitisation to the birds’ droppings and/or serum. As it is estimated that budgerigars are kept in 5– 6 million homes in Britain, current ?gures suggest that anything up to 900 per 100,000 of the population are exposed to the risk of developing this condition.... budgerigar-fancier’s lung

Farmer’s Lung

A form of external allergic ALVEOLITIS caused by the inhalation of dust from mouldy hay or straw.... farmer’s lung

Heart-lung Transplant

An operation in which a patient’s diseased lungs and heart are removed and replaced with donor organs from someone who has been certi?ed as ‘brain dead’ (see BRAIN-STEM DEATH). As well as the technical diffculties of such an operation, rejection by the recipient’s tissues of donated heart and lungs has proved hard to overcome. Since the early 1990s, however, immunosuppressant drug therapy (see CICLOSPORIN; TRANSPLANTATION) has facilitated the regular use of this type of surgery. Even so, patients receiving transplanted hearts and lungs face substantial risks such as lung infection and airway obstruction as well as the long-term problems of transplant rejection.... heart-lung transplant

Inadequate Absorption Of Iron

This may occur in diseases of intestinal malabsorption. A severe form of this anaemia in women, known as chlorosis, used to be common but is seldom seen nowadays.... inadequate absorption of iron

Lung Flukes

Trematode worms infecting the lungs of humans and other crab-eating mammals. Belong to the genusParagonimus and are found in parts of Africa, Latin America, Asia and SE Asia.... lung flukes

Shock Lung

See ACUTE RESPIRATORY DISTRESS SYNDROME (ARDS).... shock lung

Iron-deficiency Anaemia

See anaemia, iron-deficiency.... iron-deficiency anaemia

Lobectomy, Lung

An operation to cut out one of the lobes of a lung, usually to remove a cancerous tumour.... lobectomy, lung

Lung Disease, Chronic Obstructive

See pulmonary disease, chronic obstructive.... lung disease, chronic obstructive

Lung Function Tests

See pulmonary function tests.... lung function tests

Lung Imaging

Techniques that provide images of the lungs to aid in the diagnosis of disease.

Most lung disorders can be detected by chest X-ray.

CT scanning and MRI play an important role in detecting the presence and spread of lung tumours.

Ultrasound scanning is sometimes used to reveal pleural effusion.

Radioisotope scanning is used to detect evidence of pulmonary embolism.... lung imaging

Lung Tumours

Growths in the lungs. These tumours may be either cancerous (see lung cancer) or noncancerous.Cancerous lung tumours are usually associated with tobacco-smoking.

Noncancerous tumours occur less frequently than cancers.

The most common form of noncancerous tumour is a bronchial adenoma, which arises in the lining of a bronchus.

Adenomas often cause bronchial obstruction; affected people may also cough up blood.

Treatment involves surgical removal of the tumour.

Other rare noncancerous tumours include fibromas (which consist of fibrous tissue) and lipomas (which consist of fatty tissue).

No treatment is necessary unless the tumours are causing problems.... lung tumours

Inadequate Intake Of Iron

The daily requirement of iron for an adult is 12 mg, and 15–20 mg for an adult woman during pregnancy. This is well covered by an ordinary diet, so that by itself it is not a common cause. But if there is a steady loss of blood, as a result of heavy menstrual loss or ‘bleeding piles’, the intake of iron in the diet may not be su?cient to maintain adequate formation of haemoglobin.

Symptoms These depend upon whether the anaemia is sudden in onset, as in severe haemorrhage, or gradual. In all cases, however, the striking sign is pallor, the depth of which depends upon the severity of the anaemia. The colour of the skin may be misleading, except in cases due to severe haemorrhage, as the skin of many Caucasian people is normally pale. The best guide is the colour of the internal lining of the eyelid. When the onset of the anaemia is sudden, the patient complains of weakness and giddiness, and loses consciousness if he or she tries to stand or sit up. The breathing is rapid and distressed, the pulse is rapid and the blood pressure is low. In chronic cases the tongue is often sore (GLOSSITIS), and the nails of the ?ngers may be brittle and concave instead of convex (koilonychia). In some cases, particularly in women, the Plummer-Vinson syndrome is present: this consists of di?culty in swallowing and may be accompanied by huskiness; in these cases glossitis is also present. There may be slight enlargement of the SPLEEN, and there is usually some diminution in gastric acidity.

CHANGES IN THE BLOOD The characteristic change is a diminution in both the haemoglobin and the red cell content of the blood. There is a relatively greater fall in the haemoglobin than in the red cell count. If the blood is examined under a microscope, the red cells are seen to be paler and smaller than normal. These small red cells are known as microcytes.

Treatment consists primarily of giving suf?cient iron by mouth to restore, and then maintain, a normal blood picture. The main iron preparation now used is ferrous sulphate, 200 mg, thrice daily after meals. When the blood picture has become normal, the dosage is gradually reduced. A preparation of iron is available which can be given intravenously, but this is only used in cases which do not respond to iron given by mouth, or in cases in which it is essential to obtain a quick response.

If, of course, there is haemorrhage, this must be arrested, and if the loss of blood has been severe it may be necessary to give a blood transfusion (see TRANSFUSION – Transfusion of blood). Care must be taken to ensure that the patient is having an adequate diet. If there is any underlying metabolic, oncological, toxic or infective condition, this, of course, must be adequately treated after appropriate investigations.

Megaloblastic hyperchromic anaemia There are various forms of anaemia of this type, such as those due to nutritional de?ciencies, but the most important is that known as pernicious anaemia.

PERNICIOUS ANAEMIA An autoimmune disease in which sensitised lymphocytes (see LYMPHOCYTE) destroy the PARIETAL cells of the stomach. These cells normally produce INTRINSIC FACTOR, the carrier protein for vitamin B12 (see APPENDIX 5: VITAMINS) that permits its absorption in the terminal part of the ILEUM. Lack of the factor prevents vitamin B12 absorption and this causes macrocytic (or megaloblastic) anaemia. The disorder can affect men and women, usually those over the age of 40; onset is insidious so it may be well advanced before medical advice is sought. The skin and MUCOSA become pale, the tongue is smooth and atrophic and is accompanied by CHEILOSIS. Peripheral NEUROPATHY is often present, resulting in PARAESTHESIA and numbness and sometimes ATAXIA. A rare complication is subacute combined degeneration of the SPINAL CORD.

In 1926 two Americans, G R Minot and W P Murphy, discovered that pernicious anaemia, a previously fatal condition, responded to treatment with liver which provides the absent intrinsic factor. Normal development requires a substance known as extrinsic factor, and this depends on the presence of intrinsic factor for its absorption from the gut. The disease is characterised in the blood by abnormally large red cells (macrocytes) which vary in shape and size, while the number of white cells (LEUCOCYTES) diminishes. A key diagnostic ?nd is the presence of cells in the BONE MARROW.

Treatment consists of injections of vitamin B12 in the form of hydroxocobalamin which must be continued for life.

Aplastic anaemia is a disease in which the red blood corpuscles are very greatly reduced, and in which no attempt appears to be made in the bone marrow towards their regeneration. It is more accurately called hypoplastic anaemia as the degree of impairment of bone-marrow function is rarely complete. The cause in many cases is not known, but in rather less than half the cases the condition is due to some toxic substance, such as benzol or certain drugs, or ionising radiations. The patient becomes very pale, with a tendency to haemorrhages under the skin and mucous membranes, and the temperature may at times be raised. The red blood corpuscles diminish steadily in numbers. Treatment consists primarily of regular blood transfusions. Although the disease is often fatal, the outlook has improved in recent years: around 25 per cent of patients recover when adequately treated, and others survive for several years. In severe cases promising results are being reported from the use of bone-marrow transplantation.

Haemolytic anaemia results from the excessive destruction, or HAEMOLYSIS, of the red blood cells. This may be the result of undue fragility of the red blood cells, when the condition is known as congenital haemolytic anaemia, or of acholuric JAUNDICE.

Sickle-cell anaemia A form of anaemia characteristically found in people of African descent, so-called because of the sickle shape of the red blood cells. It is caused by the presence of the abnormal HAEMOGLOBIN, haemoglobin S, due to AMINO ACID substitutions in their polypeptide chains, re?ecting a genetic mutation. Deoxygenation of haemoglobin S leads to sickling, which increases the blood viscosity and tends to obstruct ?ow, thereby increasing the sickling of other cells. THROMBOSIS and areas of tissue INFARCTION may follow, causing severe pain, swelling and tenderness. The resulting sickle cells are more fragile than normal red blood cells, and have a shorter life span, hence the anaemia. Advice is obtainable from the Sickle Cell Society.... inadequate intake of iron

Bird-fancier’s Lung

a form of extrinsic allergic *alveolitis caused by the inhalation of avian proteins present in the droppings and feathers of certain birds, especially pigeons and caged birds (such as budgerigars). As in *farmer’s lung, there is an acute and a chronic form.... bird-fancier’s lung

Honeycomb Lung

the honeycomb pattern seen on X-ray at the later stages of chronic lung conditions, in which the lungs become less elastic and more fibrotic. Once the honeycomb appearance is visible on the X-ray, the lungs are likely to progress to respiratory failure.... honeycomb lung

Lung Volumes

The volume of air within the LUNGS changes with the respiratory cycle (see RESPIRATION). The volumes de?ned in the following table can be measured, and may be useful indicators of some pulmonary diseases.

Normal values for a 60 kg man are (in ml):

Total lung capacity (TLC) The volume of air that can be held in the lungs at maximum inspiration.

Tidal volume (TV) The volume of air taken into and expelled from the lungs with each breath.

Inspiratory reserve volume (IRV) The volume of air that can still be inspired at the end of a normal quiet inspiration.

Expiratory reserve volume (ERV) The volume of air that can still be expired at the end of a normal quiet expiration.

Residual volume (RV) The volume of air remaining in the lungs after a maximal expiration.

Vital capacity (VC) The maximum amount of air that can be expired after a maximal inspiration.

Functional residual capacity (FRC) The volume of air left in the lungs at the end of a normal quiet expiration.... lung volumes

Lungs

Positioned in the chest, the lungs serve primarily as respiratory organs (see RESPIRATION), also acting as a ?lter for the blood.

Form and position Each lung is a sponge-like cone, pink in children and grey in adults. Its apex projects into the neck, with the base resting on the DIAPHRAGM. Each lung is enveloped by a closed cavity, the pleural cavity, consisting of two layers of pleural membrane separated by a thin layer of ?uid. In healthy states this allows expansion and retraction as breathing occurs.

Heart/lung connections The HEART lies in contact with the two lungs, so that changes in lung volume inevitably affect the pumping action of the heart. Furthermore, both lungs are connected by blood vessels to the heart. The pulmonary artery passes from the right ventricle and divides into two branches, one of which runs straight outwards to each lung, entering its substance along with the bronchial tube at the hilum or root of the lung. From this point also emerge the pulmonary veins, which carry the blood oxygenated in the lungs back to the left atrium.

Fine structure of lungs Each main bronchial tube, entering the lung at the root, divides into branches. These subdivide again and again, to be distributed all through the substance of the lung until the ?nest tubes, known as respiratory bronchioles, have a width of only 0·25 mm (1/100 inch). All these tubes consist of a mucous membrane surrounded by a ?brous sheath. The surface of the mucous membrane comprises columnar cells provided with cilia (hair-like structures) which sweep mucus and unwanted matter such as bacteria to the exterior.

The smallest divisions of the bronchial tubes, or bronchioles, divide into a number of tortuous tubes known as alveolar ducts terminating eventually in minute sacs, known as alveoli, of which there are around 300 million.

The branches of the pulmonary artery accompany the bronchial tubes to the furthest recesses of the lung, dividing like the latter into ?ner and ?ner branches, and ending in a dense network of capillaries. The air in the air-vesicles is separated therefore from the blood only by two delicate membranes: the wall of the air-vesicle, and the capillary wall, through which exchange of gases (oxygen and carbon dioxide) readily takes place. The essential oxygenated blood from the capillaries is collected by the pulmonary veins, which also accompany the bronchi to the root of the lung.

The lungs also contain an important system of lymph vessels, which start in spaces situated between the air-vesicles and eventually leave the lung along with the blood vessels, and are connected with a chain of bronchial glands lying near the end of the TRACHEA.... lungs

Oedema Of The Lungs

This occurs as a result of left ventricular failure (see HEART, DISEASES OF). There is an abrupt increase in the venous and capillary pressure in the pulmonary vessels, followed by ?ooding of ?uid into the interstitial spaces and alveoli. The commonest cause of acute pulmonary oedema is myocardial infarction (see HEART, DISEASES OF) which reduces the ability of the left ventricular myocardial muscle to handle the blood delivered to it. Pulmonary oedema may result from other causes of left ventricular failure such as HYPERTENSION or valvular disease of the mitral and aortic valves. The initial symptoms are cough with breathlessness and occasionally with wheezing (once called ‘cardiac asthma’). The patient becomes extremely short of breath and in a severe attack the patient is pale, sweating and cyanosed and obviously gasping for breath. Frequently, frothy sputum is produced which may be blood-stained. Treatment is with DIURETICS and measures to deal with the myocardial infarction or other underlying cause.... oedema of the lungs

Iron Dextran

a drug containing *iron and *dextran, administered to treat iron-deficiency anaemia. Side-effects can include pain at the site of injection, rapid beating of the heart, and allergic reactions.... iron dextran

Iron-storage Disease

see haemochromatosis.... iron-storage disease

Lung Cancer

cancer arising in the epithelium of the air passages (bronchial cancer) or lung (see also non-small-cell lung cancer; small-cell lung cancer). It is a very common form of cancer, particularly in Britain, and is strongly associated with cigarette smoking and exposure to industrial air pollutants (including asbestos). There are often no symptoms in the early stages of the disease, when diagnosis is made on X-ray examination. Treatment includes surgical removal of the affected lobe or lung (less than 20% of cases are suitable for surgery), radiotherapy, and chemotherapy.... lung cancer

Malt-worker’s Lung

a form of extrinsic allergic *alveolitis seen in people who work with barley.... malt-worker’s lung

Non-small-cell Lung Cancer

(NSCLC) any type of lung cancer other than *small-cell lung cancer. Such cancers include *adenocarcinoma of the lung, large-cell carcinomas, and squamous-cell carcinoma of the lung.... non-small-cell lung cancer

Small-cell Lung Cancer

(SCLC) a type of bronchial carcinoma characterized by small cells (or oat cells), small round or oval cells with darkly staining nuclei and scanty indistinct cytoplasm. Small-cell carcinoma is usually related to smoking and accounts for about one-quarter of bronchial carcinomas; it carries a poor prognosis due to early distant spread, typically to bones, liver, and brain. Treatment is primarily with chemotherapy and radiotherapy and paraneoplastic symptoms (see paraneoplastic syndrome) from *ectopic hormone production are common. Compare non-small-cell lung cancer.... small-cell lung cancer

Lungs, Diseases Of

Various conditions affecting the LUNGS are dealt with under the following headings: ASTHMA; BRONCHIECTASIS; CHEST, DEFORMITIES OF; CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD); COLD, COMMON; EMPHYSEMA; EXPECTORATION; HAEMOPTYSIS; HAEMORRHAGE; OCCUPATIONAL HEALTH, MEDICINE AND DISEASES; PLEURISY; PNEUMONIA; PULMONARY EMBOLISM; TUBERCULOSIS.

In?ammation of the lungs is generally known as PNEUMONIA, when it is due to infection; as ALVEOLITIS when the in?ammation is immunological; and as PNEUMONITIS when it is due to physical or chemical agents.

Abscess of the lung consists of a collection of PUS within the lung tissue. Causes include inadequate treatment of pneumonia, inhalation of vomit, obstruction of the bronchial tubes by tumours and foreign bodies, pulmonary emboli (see EMBOLISM) and septic emboli. The patient becomes generally unwell with cough and fever. BRONCHOSCOPY is frequently performed to detect any obstruction to the bronchi. Treatment is with a prolonged course of antibiotics. Rarely, surgery is necessary.

Pulmonary oedema is the accumulation of ?uid in the pulmonary tissues and air spaces. This may be caused by cardiac disease (heart failure or disease of heart valves – see below, and HEART, DISEASES OF) or by an increase in the permeability of the pulmonary capillaries allowing leakage of ?uid into the lung tissue (see ACUTE RESPIRATORY DISTRESS SYNDROME (ARDS)).

Heart failure (left ventricular failure) can be caused by a weakness in the pumping action of the HEART leading to an increase in back pressure which forces ?uid out of the blood vessels into the lung tissue. Causes include heart attacks and HYPERTENSION (high blood pressure). Narrowed or leaking heart valves hinder the ?ow of blood through the heart; again, this produces an increase in back pressure which raises the capillary pressure in the pulmonary vessels and causes ?ooding of ?uid into the interstitial spaces and alveoli. Accumulation of ?uid in lung tissue produces breathlessness. Treatments include DIURETICS and other drugs to aid the pumping action of the heart. Surgical valve replacement may help when heart failure is due to valvular heart disease.

Acute respiratory distress syndrome Formerly known as adult respiratory distress syndrome (ARDS), this produces pulmonary congestion because of leakage of ?uid through pulmonary capillaries. It complicates a variety of illnesses such as sepsis, trauma, aspiration of gastric contents and di?use pneumonia. Treatment involves treating the cause and supporting the patient by providing oxygen.

Collapse of the lung may occur due to blockage of a bronchial tube by tumour, foreign body or a plug of mucus which may occur in bronchitis or pneumonia. Air beyond the blockage is absorbed into the circulation, causing the affected area of lung to collapse. Collapse may also occur when air is allowed into the pleural space – the space between the lining of the lung and the lining of the inside of the chest wall. This is called a pneumothorax and may occur following trauma, or spontaneously

– for example, when there is a rupture of a subpleural air pocket (such as a cyst) allowing a communication between the airways and the pleural space. Lung collapse by compression may occur when ?uid collects in the pleural space (pleural e?usion): when this ?uid is blood, it is known as a haemothorax; if it is due to pus it is known as an empyema. Collections of air, blood, pus or other ?uid can be removed from the pleural space by insertion of a chest drain, thus allowing the lung to re-expand.

Tumours of the lung are the most common cause of cancer in men and, along with breast cancer, are a major cause of cancer in women. Several types of lung cancer occur, the most common being squamous cell carcinoma, small- (or oat-) cell carcinoma, adenocarcinoma, and large-cell carcinoma. All but the adenocarcinoma have a strong link with smoking. Each type has a di?erent pattern of growth and responds di?erently to treatment. More than 30,000 men and women die of cancer of the trachea, bronchus and lung annually in England and Wales.

The most common presenting symptom is cough; others include haemoptisis (coughing up blood), breathlessness, chest pain, wheezing and weight loss. As well as spreading locally in the lung – the rate of spread varies – lung cancer commonly spawns secondary growths in the liver, bones or brain. Diagnosis is con?rmed by X-rays and bronchoscopy with biopsy.

Treatment Treatment for the two main categories of lung cancer – small-cell and nonsmall-cell cancer – is di?erent. Surgery is the only curative treatment for the latter and should be considered in all cases, even though fewer than half undergoing surgery will survive ?ve years. In those patients unsuitable for surgery, radical RADIOTHERAPY should be considered. For other patients the aim should be the control of symptoms and the maintenance of quality of life, with palliative radiotherapy one of the options.

Small-cell lung cancer progresses rapidly, and untreated patients survive for only a few months. Because the disease is often widespread by the time of diagnosis, surgery is rarely an option. All patients should be considered for CHEMOTHERAPY which improves symptoms and prolongs survival.

Wounds of the lung may cause damage to the lung and, by admitting air into the pleural cavity, cause the lung to collapse with air in the pleural space (pneumothorax). This may require the insertion of a chest drain to remove the air from the pleural space and allow the lung to re-expand. The lung may be wounded by the end of a fractured rib or by some sharp object such as a knife pushed between the ribs.... lungs, diseases of

Tea For Lungs

Lung affections consist of mucus accumulations, water retention, upper chest inflammations and other problems of the respiratory system. If you have trouble breathing, you feel a back pain or it seems like there’s something pressing on your chest, it’s possible that you have a lung problem. However, schedule an appointment with your doctor to find out which disease you suffer from. How a Tea for Lungs Works A Tea for Lungs’ main goal is to clear out all the unwanted accumulations and improve your respiration. Many other diseases are linked to lungs affections, such as heart conditions (low or increased blood pressure, arrhythmia, cardiovascular problems). A Tea for Lungs can treat your localized affections and not only: a tea rich in enzymes and tannins will also improve your heartbeat and blood pressure. Efficient Tea for Lungs In order to be effective, a Tea for Lungs needs to be both one hundred percent safe and contain the right amount of active constituents. You may not know this, but their proportion determines which tea is good for which affection, so not any tea found in the kitchen can treat your lung problems. If you don’t know which teas to choose from, here’s a list to guide you on: - Elecampane Tea – the main active constituents are mucilage, essential oils and a substance called camphor, which is a natural antibiotic with expectorant action. This tea can flush out of your system all infection triggers and reduce inflammation while calming the affected areas. However, you may want to talk to your doctor before starting a treatment based on this Tea for Lungs. - Hawthorn Tea – good for a number of affections, such as pleurisy, pulmonary edema or even mild cancer cases, this tea contains an important level of flavonoids and procyanidis which can treat your arrhythmia and stabilize your blood pressure. Don’t drink more than two cups per day for a short amount of time (one or two weeks) in order to avoid further complications. - Thyme Tea – contains thymol, which is a powerful antibiotic and polymethoxyflavones which have anti-coughing and anti-inflammatory properties. Thanks to its great expectorant properties, this Tea for Lungs is recommended by practitioners around the world as a great bronchitis treatment. Tea for Lungs Side Effects When taken according to medical specifications, these teas are one hundred percent safe. However, talk to your doctor before starting any kind of medical treatment and remember that self medication may cause even more damages. Don’t take any of these teas if you’re pregnant, breastfeeding, on anti-coagulants or blood thinners. The same advice for patients who are preparing for a surgery: these teas contain substances that may interfere with the anesthetic. If you have the green light from your doctor, choose a Tea for Lungs that fits you best and enjoy its wonderful health benefits!... tea for lungs

Anaemia: Iron Deficiency

An estimated 15 per cent of the female population suffers from this form of anaemia. A deficiency of nutritional iron is responsible for oxygen starvation of the blood due to insufficient haemoglobin. Number of red cells is reduced.

Aetiology: heavy menstrual loss, feeble constitution from hereditary weakness, poor diet, hidden or known blood loss from gastric ulcer, pregnancy, bleeding piles or insufficient food minerals: iron, copper, calcium, etc, chronic liver or kidney disease, worms, anorexia nervosa, rheumatoid arthritis, tuberculosis. Symptoms. Tiredness, dizziness, breathlessness, palpitations, pale face and mucous membranes. White of eyes may be blue. Enlarged flabby tongue often bears impression of teeth marks. Hair lifeless, fingernails brittle and ridged. There may be angina, tinnitus and general reduced efficiency.

Treatment. The object is to achieve absorption of iron to raise normal haemoglobin levels and increase red cells. Echinacea has a reputation for regeneration of red cells. Herbs used with success: Echinacea, Gentian, Motherwort, Mugwort, Barberry, Hops, Nettles, Saw Palmetto, Chaparral, Red Clover, Dandelion.

Bitter herbs stimulate absorption of vital nutrients from the stomach, toning liver and pancreas, increasing the appetite; usually given half hour before meals. See: BITTERS.

Gentian. 1 teaspoon fine-cut chips to 2 cups cold water steeped 8 hours (overnight). Dose: Half-1 cup thrice daily before meals.

Tea. Formula. Combine: Agrimony 1; Barberry bark 1; Nettles 2; White Poplar bark half. Place 1oz (30g) in 1 pint (500ml) cold water and bring to boil. Simmer 10 minutes. Drink cold: Half-1 cup thrice daily, before meals.

Powders. Formula. Echinacea 2; Gentian 1; Kelp 1; pinch Red Pepper. Dose: 500mg (two 00 capsules or one-third teaspoon) thrice daily, before meals.

Liquid extracts. Formula: Echinacea 1; Queen’s Delight 1; Ginseng 1; Ginger quarter. Dose: 30-60 drops in water, thrice daily, before meals.

Infusion Gentian Co Conc BP (1949). Dose: 30-60 drops.

Diet. Dandelion coffee, as desired. Molasses. Desiccated liver.

Floradix. A pre-digested iron preparation. Readily assimilable by the body. Compounded by Dr Otto Greither (Salus Haus). Iron is fed onto yeast which breaks down the metal and absorbs its cells. Other tonic ingredients include extracts of nettles, carrots, spinach, fennel, Vitamin C plus supplements;

Angelica root, Mallow, Horsetail, Yarrow, Juniper and Rosehips. Not chemically preserved.

Avoid chocolate, egg yolk, tea, coffee, wheat bran.

Supplements. Daily. Vitamin C (1g morning and evening). Vitamin B12, Folic acid 400mcg. Vitamin C is the most potent enhancer of iron absorption. Multivitamin containing iron.

Note: Iron absorption is decreased by antacids, tetracyclines, phosphates, phytates (phytic acid from excessive intake of wholewheat bread), and excessive calcium supplements. Lack of stomach hydrochloric acid impairs iron absorption, especially in the elderly. ... anaemia: iron deficiency

Canary Fancier’s Lung

Bird fancier’s lung. Allergic alveolitis following antigens from pet birds: pigeons, budgerigars, canaries, chickens.

Symptoms: dry cough, difficult breathing usually at night. Loss of weight, tiredness, feverishness with rise of temperature. (Clinical Allergy, 1984. 14,429)

Tea. Yarrow, Elderflowers, Comfrey herb: equal parts.

Tablets/capsules. Garlic. Lobelia. Iceland Moss.

Powders. Formula. Pleurisy root 2; Hyssop 1; Iceland Moss 1. Dose: 500mg (two 00 capsules or one- third teaspoon) thrice daily.

Liquid Extracts. Formula. Pleurisy root 2; Liquorice 1; Hyssop 1. 1 teaspoon in water thrice daily, and when necessary. ... canary fancier’s lung

Lung Weakness

There is no reason why lung weakness of childhood should not, in later life, resolve into vigorous respiration. However, some cases present a life-long hazard, arresting full development and reducing the body’s ability to defend itself. To strengthen alveolar tissue, allay infection and enhance respiratory function a good pectoral may ensure against future disorders of lungs, trachea, bronchi and bronchioles.

Tablets/capsules. Iceland Moss.

Decoction. Irish Moss.

Tea. Combine equal parts, Comfrey, White Horehound, Liquorice. 1 heaped teaspoon to each cup water simmered gently 1 minute. Dose: half-1 cup morning and evening. Pinch Cayenne improves.

Potential benefits of Comfrey for this condition outweigh risk. ... lung weakness

Lungwort

Pulmonaria officinalis L. Lobaria pulmonaria L. Lichen. Leaves bear a resemblance to the human lung – see: DOCTRINE OF SIGNATURES. So-named because of its traditional use for tuberculosis. Keynote: upper respiratory organs.

Constituents: palmitic acid, linoleic acid, tannins, ergosterol, saponin.

Action: expectorant, demulcent astringent, haemostatic, orexigenic, antibiotic (mild).

Uses: asthma, laryngitis, sore throat, children’s dry cough, whooping cough, haemoptysis, nasal catarrh, bronchitis.

External: open wounds – to avoid infection.

Combinations. With Coltsfoot and White Horehound for TB cough. With Ephedra for difficult breathing. Preparations. Average dose: 2-4g. Thrice daily. Tea: 1 teaspoon to each cup boiling water; infuse 15 minutes; dose: one-third-1 cup. Or may be boiled in milk.

Liquid Extract BHP (1983): 1:1 in 25 per cent alcohol. Dose: 2-4ml.

Balm of Gilead Cough Mixture. ... lungwort

Anaemia, Iron-deficiency

The most common form of anaemia caused by a deficiency of iron, an essential constituent of haemoglobin. The main cause of iron-deficiency anaemia is iron loss due to heavy or persistent bleeding; the most common cause in women of childbearing age is menstruation. Other causes include blood loss from the digestive tract due to disorders such as erosive gastritis, peptic ulcer, stomach cancer, inflammatory bowel disease, haemorrhoids, and bowel tumours (see colon, cancer of). Prolonged use of aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) can cause gastrointestinal bleeding. In some countries, hookworm infestation of the digestive tract is an important cause of anaemia. Rarely, bleeding may also occur as a result of disorders of the urinary tract (such as kidney tumours or bladder tumours).

Iron deficiency may also be caused or worsened by lack of iron in, or its poor absorption from, the diet.

The symptoms are those of the underlying cause, along with a sore mouth or tongue, and those common to all forms of anaemia, such as fatigue and breathlessness. The diagnosis is made from blood tests and tests to look for an underlying cause. Treatment is given for the cause, along with a course of iron tablets or, very rarely, injections.... anaemia, iron-deficiency

Heart–lung Machine

A machine that temporarily takes over the function of the heart and lungs to facilitate operations such as open heart surgery, heart transplants, and heart–lung transplants.

A heart–lung machine consists of a pump (to replace the heart’s function) and an oxygenator (to replace the lung’s function). It bypasses the heart and lungs, and the heart can be stopped.

Use of a heart–lung machine tends to damage red blood cells and to cause blood clotting. These problems can be minimized, however, by the administration of heparin, an anticoagulant drug, beforehand.heart–lung transplant A procedure in which the heart and lungs of a patient are removed, and replaced with donor organs. This surgery is used to treat diseases in which the lung damage has affected the heart, or vice versa. Such diseases include cystic fibrosis, fibrosing alveolitis, and some severe congenital heart defects (see heart disease, congenital). A heart–lung machine is used to take over the function of the patient’s heart and lungs during the operation, which is no more dangerous than a heart transplant.

heart-rate The rate at which the heart contracts to pump blood around the body. Most people have a heart-rate of between 60 and 100 beats per minute at rest. This rate tends to be faster in childhood and to slow slightly with age. Very fit people may have a resting rate below 60 beats per minute.

The heart muscle responds automatically to any increase in the amount of blood returned to it from active muscles by increasing its output. During extreme exercise, heart-rate may increase to 200 contractions per minute and the output to almost 250 ml per beat.

The heart-rate is also regulated by the autonomic nervous system. The parts of this system concerned with heart action are a nucleus of nerve cells, called the cardiac centre, in the brainstem, and 2 sets of nerves (the parasympathetic and sympathetic).

At rest, the parasympathetic nerves – particularly the vagus nerve – act on the sinoatrial node to maintain a slow heart-rate. During or in anticipation of muscular activity, this inhibition lessens and the heart-rate speeds up.

Sympathetic nerves release noradrenaline, which further increases the heart-rate and force of contraction. Sympathetic activity can be triggered by fear or anger, low blood pressure, or a reduction of oxygen in the blood.

Release of adrenaline and noradrenaline by the adrenal glands also acts to increase heart-rate.

The rate and rhythm of the heart can be measured by feeling the pulse or by listening with a stethoscope; a more accurate record is provided by an ECG.

A resting heart-rate above 100 beats per minute is termed a tachycardia, and a rate below 60 beats per minute a bradycardia. (See also arrhythmia, cardiac.)... heart–lung machine

Lung, Disorders Of

The most common lung disorders are infections. These diseases include pneumonia, tracheitis, and croup. Bronchitis and bronchiolitis, which are inflammatory disorders affecting the airways within the lungs, can be complications of colds or influenza. The disorder bronchiectasis may occur as a complication of severe bacterial pneumonia o.

cystic fibrosis. The lungs can also be affected by allergic disorders. The most important of these is asthma. Another such disorder is allergic alveolitis, which is usually a reaction to dust of plant or animal origin. Irritation of the airways, usually by tobacco-smoking, can cause diseases characterized by damage to lung tissue and narrowing of the airways (see pulmonary disease, chronic obstructive). The lungs can also be affected by cancerous tumours; lung cancer is one of the most common cancers. Noncancerous lung tumours are uncommon.

Injury to a lung, usually resulting from penetration of the chest wall, can cause the lung to collapse (see pneumothorax; haemothorax). Damage to the interior of the lungs can be caused by inhalation of toxic substances (see asbestosis; silicosis). Blood supply to the lungs may be reduced by pulmonary embolism.

Lung disorders can be investigated in various ways, such as chest X-ray, bronchoscopy, and pulmonary function tests.... lung, disorders of




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