Sinus Node Rhythms and Arrhythmias: Difference between revisions
Sinus Node Rhythms and Arrhythmias (view source)
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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 the QRS complex | *A P wave (atrial contraction) precedes the 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 | ||