atrial synchronous, ventricular inhibited

atrial synchronous, ventricular inhibited

VDD Cardiac pacing adjective Referring to a dual-chamber pacemaker that senses in the atrium and paces in the ventricle; the pacemaker's response above the programmed lower rate depends upon and is synchronized to the patient's atrial rhythm. See Pacemaker.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.