torsade de pointes

Medical Dictionary

torsade de pointes tor·sade de pointes (tôr-säd' də pwāɴt')
Paroxysms of ventricular tachycardia in which the electrocardiogram shows a steady undulation in the QRS axis in runs of 5 to 20 beats and with progressive changes in direction.

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