<P> Sinus bradycardia is a sinus rhythm with a rate that is lower than normal . In humans , bradycardia is generally defined to be a rate of under 60 beats per minute . </P>
<P> Sinus bradycardia is a sinus rhythm with a rate that is lower than normal . In humans , bradycardia is generally defined to be a rate of under 60 beats per minute . </P>
which sinus rhythm has a rate of less than 60 beats per minute
which sinus rhythm has a rate of less than 60 beats per minute
humans
humans