sinus rhythm

n.

A normal cardiac rhythm proceeding from the sinoatrial node.

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Nearby words

sinus node, sinus of dura mater, sinus of valsalva, sinus of vena cava, sinus pause, sinus rhythm, sinus sabaeus, sinusitis, sinusoid, sinusoidal, sinusoidal projection

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