Also found in: Acronyms.
non-Q-wave infarctionCardiology A subendocardial MI in which the EKG demonstrates persistent abnormal ST-segment depression in all but the aVR lead–which has ST-segment elevation–often accompanied by T-wave changes. See Myocardial infarction, Thallium imaging.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.