[ vŭl′nər-ə-bəl ]
A phase in the cardiac cycle during which an ectopic impulse may lead to repetitive activity, such as flutter or fibrillation, of the affected chamber.
Words nearby vulnerable phase
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.