There are P waves (+) with regular PP intervals and a rate of 85 beats/min. The P waves have a normal morphology; they are positive in leads I, II, aVF, and V4-V6. This is a stable normal sinus rhythm ...

Children with congenital complete atrioventricular block often require lifelong pacemaker therapy. Although such therapy restores a normal heart rate, it also results in dyssynchronous left ...

In complete AV block, the escape mechanism occurs regularly. In this tracing, the QRS complexes do not occur regularly, ruling out complete AV block right away. In addition, the ventricular rate is ...

Ventricular arrhythmia occurs when the heart’s lower chambers beat out of sync, which can prevent the heart from effectively pumping blood throughout the body. Diagnosis of ventricular arrhythmia ...

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, ...

Ventricular tachycardia (v-tach or VT) is a very fast heart rhythm that begins in the ventricles. The condition most commonly affects people who have heart disorders, such as coronary artery disease ...

Please provide your email address to receive an email when new articles are posted on . Endurance athletes with myocardial fibrosis may have increased risk for ventricular arrhythmias. Fibrosis was ...