The rhythm is irregular, but there is a pattern. All of the long RR intervals are the same (1.16 sec), the intermediate RR intervals are the same (0.64 sec), and the short RR intervals are the same (0 ...

Trigeminy is a heart rhythm irregularity characterized by a premature ventricular contraction occurring every third heartbeat. While many people with trigeminy experience no symptoms, others may feel ...

Trigeminy describes an abnormal heart rhythm that causes an extra heartbeat. Specifically, trigeminy causes an abnormal heart rhythm to occur every third heartbeat. Trigeminy can be harmless. In many ...