Medically reviewed by Jeffrey S. Lander, MD Key Takeaways S1 and S2 are the normal heart sounds you hear when the heart ...

Normal BP is typically less than 120/80 mm Hg. Both high (hypertension) and low (hypotension) pressure can cause health ...

Your heartbeat can provide valuable clues to help you stay well. Here’s what top cardiologists want you to know about it.

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

When an artery becomes blocked in a heart attack, the process of restoring healthy blood flow to the heart is called reperfusion. It usually involves a combination of medications to break down a blood ...

A heart perfusion imaging scan, or myocardial perfusion scan, is a test that tells doctors how well a person’s heart pumps blood. Doctors may use this test when diagnosing the cause of chest pain or ...