vulnerable phase

vulnerable phase definition - medical

vul·ner·a·ble phase (vŭlˈnər-ə-bəl)

noun
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.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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