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normal sinus rhythm

   Also found in: Acronyms, Wikipedia 0.02 sec.
normal sinus rhythm (NSR)
Etymology: L, norma, rule, sinus, hollow; Gk, rhythmos
the normal heartbeat initiated by the pacemaker in the sinus node, with a heart rate of 60 to 100 beats/min.


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So lack of normal sinus rhythm is called arrhythmia.
Analysis of three month interim outcomes demonstrated normal sinus rhythm in 17/20 (85%) patients.
001 As secondary endpoints, the study measured whether or not patients were in normal sinus rhythm ("NSR") at 30 minutes, 1 hour and 24 hours post dosing.
 
 
 
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