unstable angina

[ ŭn-stābəl ]

n.

Angina pectoris characterized by pain of coronary origin that occurs in response to less exercise or other stimuli than usually required to produce pain.

Words nearby unstable angina

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.