sinoatrial exit block

sinoatrial exit block

Cardiology Sinus-node dysfunction, aka sick sinus syndrome characterized by a normal P-wave axis EKG Progressive shortening of PP interval until one P wave fails to conduct–2nd degree, type I–or sinus pause is an exact multiple of the baseline PP interval–2nd degree, type II. See Sick sinus syndrome.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
(6) The former situation can be seen during periods of sinus arrhythmia, sinus bradycardia, sinus arrest, or sinoatrial exit block, and the latter with accelerated junctional rhythm and ventricular tachycardia.
Atrioventricular dissociation and congestive heart failure in a ring-necked pheasant (Phasianus colchicus)
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