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AIVR

A type of automatic, not reentrant, ectopic ventricular rhythm with episodes lasting from a few seconds to a minute which usually occurs in Patients with acute Myocardial Infarction or with Digitalis toxicity. The ventricular rate is faster than normal but slower than Tachycardia, with an upper limit of 100 -120 beats per minute. Suppressive therapy is rarely necessary.