Atrial fibrillation is the most common cardiac arrhythmia worldwide and prevalence is expected to continue rising at an exponential rate with an aging population and increasing rates of obesity ...

A 76-year-old woman presents with a persistently rapid heart rate that she attributes to her pacemaker. What does the ECG ...

Tachycardia-induced cardiomyopathy is a reversible cause of heart failure with myriad complex underlying mechanisms. In certain ways, this entity is similar to other causes of heart failure.

These symptoms are more common in adults with hypertrophic cardiomyopathy. Increased pressure in the left atrium and lungs is the cause. Atrial fibrillation or ventricular tachycardia may cause ...

White patients had greater rates of atrial fibrillation and cardiovascular hospitalization compared to Asian ... or our ability to obtain regulatory approval for aficamten for the treatment of ...