the downward deflection on an *electrocardiogram that indicates the beginning of ventricular depolarization. An abnormally deep and wide Q wave is an indication of prior heart muscle damage due to heart attack.
Abnormal electrical waves observed in the electroencephalogram (see ELECTROENCEPHALOGRAPHY (EEG)). The frequency of the normal alpha waves is 10 per second; that of the delta waves is 7 or fewer per second. They occur in the region of tumours of the brain, and in the brains of patients with EPILEPSY.... delta waves
(English) Of the trembling aspen Waverley, Waverlie, Waverli, Waverlee, Waverleigh, Waverlea, Waverleah... waverly
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