The precise mechanisms underlying IST/POTS remain incompletely understood, with hypotheses implicating cardiovascular autonomic dysfunction, neurohormonal imbalance, hypersensitivity of the sinus node ...

The study found significant improvements in both the 6-minute hallway walk test and ejection fraction (EF) in patients receiving a BVP device (also referred to as cardiac resynchronization therapy ...

In this prospective, multicenter clinical trial, we randomly assigned patients with symptomatic, drug-resistant atrial fibrillation, an ejection fraction of 40% or less, and New York Heart Association ...

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 ...

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 ...

Please provide your email address to receive an email when new articles are posted on . Rate control with AV junction ablation plus biventricular pacing improved survival among patients with permanent ...

Cardiac ablation—also called catheter ablation—is a procedure doctors use to treat irregular heartbeats or arrhythmias. During cardiac ablation, doctors insert a thin tube called a catheter into your ...

Atrial fibrillation is the irregular and rapid beating of the upper two chambers of the heart (the atria). It may be classified as paroxysmal, persistent or permanent. Patients with atrial ...

Background A 51-year-old male was referred for consideration for heart transplantation because of recently diagnosed congestive heart failure refractory to medical therapy. Previous echocardiography ...