Arterial Line: From 1 Different Sources
a narrow *catheter inserted into an artery for the purposes of continuous monitoring or blood gas analysis. It is used for short periods during phases of acute or critical illness and should be clearly labelled to prevent inadvertent use as a medication conduit. The femoral, axillary, or posterior tibial arteries can be used as insertion sites.
See RADIOTHERAPY.... linear accelerator
During pregnancy, the LINEA ALBA becomes pigmented and appears as a dark line down the middle of the belly, and is called the linea nigra.... linea nigra
Blood that leaves the heart. When it leaves the right ventricle, it is venous blood; and when it leaves the left ventricle, through the aorta, it is fresh, hot, oxygenated red stuff. After it has passed out to the capillaries and started to return, it is venous blood.... arterial
The line of ?brous tissue stretching down the mid line of the belly from the lower end of the sternum to the pubic bone (see PUBIS). The linea alba gives attachment to the muscles of the wall of the stomach.... linea alba
A minimum income level below which a person is officially considered to lack adequate subsistence and to be living in poverty. Poverty statistics are based on definitions developed by individual countries or constituencies.... poverty level / line
An operation to repair arteries that are narrowed, blocked, or weakened. Arterial reconstructive surgery is most often performed to repair arteries that have been narrowed by atherosclerosis. It is also used to repair aneurysms and arteries damaged as a result of injury. (See also angioplasty, balloon; coronary artery bypass; endarterectomy.)... arterial reconstructive surgery
a localized area of damage and breakdown of the skin due to inadequate arterial blood supply (*ischaemia). Usually it is seen on the feet of patients with severe atheromatous narrowings of the arteries supplying the legs.... arterial ulcer
transverse depressions on the nails appearing some weeks or months after a severe illness or chemotherapy. [J. H. S. Beau (1806–65), French physician]... beau’s lines
therapy that is the first choice for treating a particular condition; other (second-line) treatments are used only if first-line therapy has failed.... first-line treatment
a linear horizontal yellowish line seen in the deep epithelium of ageing corneas. [A. C. Hudson (1875–1962), British ophthalmologist; J. Stähli (20th century), Swiss ophthalmologist]... hudson–stähli line
fine horizontal lines seen in the angle between the diaphragm and the chest wall on a chest X-ray. It is a sign of pulmonary *oedema and therefore heart failure. [P. J. Kerley (20th century), British radiologist]... kerley b lines
normal permanent skin creases. Incisions parallel to Langer’s lines heal well and are less visible. [C. R. von E. Langer (1819–87), Austrian anatomist]... langer’s lines
n. (pl. lineae) (in anatomy) a line, narrow streak, or stripe. The linea alba is a tendinous line, extending from the xiphoid process to the pubic symphysis, where the flat abdominal muscles are attached.... linea
n. a member of a class of antibiotics – the oxazolidinones – that are active against Gram-positive bacteria, including *MRSA. Linezolid is used to treat pneumonia and soft-tissue infections caused by these organisms when they have not responded to other antibacterials. The most common side-effects are headache, a metallic taste in the mouth, diarrhoea, and nausea.... linezolid
peripherally inserted central catheter: a long flexible catheter usually inserted via a vein in the arm and the subclavian vein into the superior vena cava. It is used when prolonged intravenous access is required; for example, for infusional chemotherapy and *total parenteral nutrition (TPN).... picc line
of leaves, narrow and more or less parallel-sided.... linear
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