When high doses of AV blocking drugs are not successful to lower ventricular rates in the setting of atrial fibrillation, AV node ablation can be utilized. Remember that all atrial action potentials ...

Current ACC/AHA/HRS Atrial Fibrillation Practice Guidelines [3] recommend that patients with normal LV function or reversible LV dysfunction undergoing AV nodal ablation are most likely to benefit ...

Atrial fibrillation (AF) is the most prevalent arrhythmia globally, with a lifetime risk of approximately 37% 1. It manifests with symptoms such as palpitations, fatigue, and dyspnea, and is ...

Having an accelerated junctional rhythm occurs when the atrioventricular node in your heart beats too quickly. It happens as a result of damage to your heart’s primary natural pacemaker. There’s no ...

MUNICH — Patients with heart failure (HF) and narrow electrocardiographic QRS intervals aren't considered appropriate for cardiac resynchronization therapy (CRT), but evidence is growing that CRT may ...

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...

Defibrillators and pacemakers help the heart maintain a regular rhythm. Defibrillators deliver a shock if the heart goes into arrhythmia. Pacemakers use electrical impulses to keep the heart from ...