f wave
- A pattern of irregular undulations of the base line in an electrocardiogram that is indicative of atrial fibrillation.
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F wave
- A pattern of regular, rapid atrial waves in an electrocardiogram, indicative of atrial flutter.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.