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Sinus Node Rhythms and Arrhythmias: Difference between revisions
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Sinus Node Rhythms and Arrhythmias (view source)
Revision as of 15:38, 1 February 2009
, 1 February 2009→Normal heart rhythm: sinus rhythm
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;Criteria for normal sinus rhythm (see also [[Basics]]): | ;Criteria for normal sinus rhythm (see also [[Basics]]): | ||
*A [[P wave]] (atrial contraction) precedes every QRS complex | *A [[P wave morphology]] P wave (atrial contraction) precedes every QRS complex | ||
*The rhythm is regular, but varies slightly while breathing | *The rhythm is regular, but varies slightly while breathing | ||
*The frequency ranges between 60 and 100 beats per minute | *The frequency ranges between 60 and 100 beats per minute | ||