In tracing "a" of Figure 1, there seems to be only one P wave in front of each QRS complex, suggesting sinus rhythm. However, during the compensatory pauses after the PVCs (↑) in tracing "b," there ...

WARMINSTER, Pennsylvania (WPVI) -- You've probably never heard of PVCs, but chances are you've had them if you felt your heart skip a beat. Cardiac PVCs might be benign, but can sometimes pose a ...

Dr. James Daubert answers the question: 'Finding Cause Of Palpitations With EKG? — -- Question: How does an EKG (electrocardiogram) help in finding out why I have palpitations? Answer :Well, an ...

A narrow QRS tachycardia at a rate of 105 beats/min. is present. No P waves are identified in front of the QRS complexes, suggesting accelerated AV junctional rhythm. However, there are two PVCs.