to ascertain whether or not slow heart rate achieved an absolute reduction in vulnerability to arrhythmias irrespective of the duration of ischaemia , hearts were also subjected to 5 , 10 , 20 , 30 or 40 min of ischaemia followed by 30 min of reperfusion with and without pacing at 200 beats.min-1 .
C0428977
slow heart rate
C0003811
arrhythmias