Heart rhythm problems can increase the risk of stroke, heart failure, and cardiac arrest if left untreated. They happen when ...

Thus, it must "skip a beat" and it will resume exactly 2 P-to-P intervals after the last normal sinus beat. When every other QRS complex is a PAC, then the rhythm is referred to as "atrial bigeminy".

In the HYPO group, one patient had multiple isolated premature atrial contractions and a nonsustained monomorphic ventricular tachycardia. This arrhythmia was also missed by the attending ...

Thus it must "skip a beat" and it will resume exactly 2 P to P intervals after the last normal sinus beat. When every other QRS complex is a PAC, then the rhythm is referred to as "atrial bigeminy".

Whether it's investigating the financials of Elon Musk's pro-Trump PAC or producing our latest documentary ... brisk walking ...

Patients requiring a pacemaker often have atrial fibrillation (AF), which increases the risk of thromboembolism and, consequently, the risk of morbidity and mortality. To maintain sinus rhythms ...