The regular arrhythmia occurring at the beginning of the electrocardiogram was identified as ventricular bigeminy. Single ventricular premature complexes (VPCs), as well as pairs and triplets of VPCs, ...

At a glance, the tracing appears to show sinus rhythm with first-degree AV block and junctional bigeminy. However, careful observation of the V1 lead shows regularly occurring P waves (↓ in Figure 2) ...

The correct diagnosis is sinus rhythm and atrial bigeminy (Figure 2). The rhythm appears to be regular; however, there is slight irregularity, ie, the RR intervals are 0.40 sec (⨅) alternating with ...

Dear Dr. Roach: Several months ago, I developed a case of a bigeminy heartbeat. My cardiologist prescribed metoprolol. At about the same time, I had reduced my intake of magnesium from about 50% of ...