The second ECG strip below shows an ectopic atrial rhythm. Note that the P wave is down in lead II and only up (not biphasic) in lead V1. If there is sinus rhythm, and the heart rate is less than ...

Atrial tachycardia and other ectopic atrial rhythms occur when a site outside of the sinus node, but within the atria, creates action potentials faster than the sinus node. This ectopic focus ...

The caveat here is that if one is opting for rhythm control to avoid the need for warfarin in this elderly population, that is not a valid assumption. How should one manage atrial fibrillation ...

The management of atrial fibrillation (AF) focuses on control of heart rate, correction of rhythm disturbance, prophylaxis of thromboembolism, treatment of underlying disorders, and ...