Medically reviewed by Jeffrey S. Lander, MD The first heart sound, or S1, is the "lub" of a normal heartbeat. It's a ...

Medically reviewed by Rafle Fernandez, MD A third heart sound, or S3, is a low-frequency, extra heart sound that may be heard ...

Sudden cardiac arrest and death occur among competitive and recreational athletes across the entire spectrum of age, sex, and ...

Clinicians will increasingly encounter heart rhythm data generated from consumer-grade devices. Consumer-grade smartphone-paired devices and smartwatches have very high sensitivity and specificity for ...

Catheter ablation is one of the most effective rhythm-control strategies for atrial fibrillation (AF). Conventional catheter ablation is performed using thermo-energy sources via either radiofrequency ...

“Catheter ablation and antiarrhythmic drug therapy can reduce the risk of recurrent ventricular tachycardia and implantable cardioverter-defibrillator shock, but both approaches are associated ...

US Supreme Court Rejects West Virginia’s Effort to Deny a 12-Year-Old Trans Girl Her Right to Play US Supreme Court Rejects West Virginia’s Effort to Deny a 12-Year-Old Trans Girl Her Right to Play ...

When a heart attack disrupts the cardiac muscle tissue, abnormal electrical pathways can form that can lead to the rapid pulse rate known as ventricular tachycardia. Medications are typically ...

Patients with ventricular tachycardia and ischemic cardiomyopathy are at high risk for adverse outcomes. Catheter ablation is commonly used when antiarrhythmic drugs do not suppress ventricular ...

Oral anticoagulation is recommended after ablation for atrial fibrillation among patients at high risk for stroke. Left atrial appendage closure is a mechanical alternative to anticoagulation ...

Share on Pinterest FluxFactory/Getty Images If you have atrial fibrillation (AFib), which is an irregular heart rate, you may feel a fluttering in your chest, or it may seem as if your heart is ...