The heart, a highly reactive and innervated organ, plays a crucial role in brain-viscera communications. Recent research has highlighted the role of mechanosensation in the brain, where ion channels ...

The circadian clock is an evolutionarily conserved time-keeper that regulates physiological processes across 24 h. In the cardiovascular system, several parameters, such as blood pressure, heart rate, ...

Many people use anabolic steroids to build muscle and improve their physical appearance. These drugs are especially popular ...

Perelman School of Medicine cardiologist Rajat Deo has been studying electrocardiographic (ECG) data and cardiac rhythms for nearly two decades at Penn. He says that every second, hospitals generate ...

10-Second Pulse Check: Some people use smartwatches to count their steps, others monitor their blood pressure and sleep. But ...

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 ...

Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes aged 50 or older, potentially increasing their risk of sudden cardiac death, ...