KETV reporter has step-by-step heart attack simulation with Methodist Hospital. ... Once sedated, the dye is released and you can see exactly where the blockage of blood flow is in the heart.

A new optical device called SCOS tracks blood pressure using laser light, offering a cuff-free alternative for continuous ...

Here are the top tips on correctly identifying a heart attack and helping quickly during an emergency, according to cardiologists.

In TODAY.com's Expert Tip of the Day, a cardiologist reveals which type of exercise should be "promoted above all else" when it comes to heart health.

In general, blood flows into the heart from a vein, goes into an atrium, then a ventricle, and out through an artery. The valves prevent the blood flowing backwards. Back to top.

Discover how high blood pressure secretly damages your heart and brain through multiple pathways, plus practical steps to protect yourself. Skip to content News ...

All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making ...

The heart pumps blood through these vessels and with each pulse blood flows to distal circulation. With the conversion of each pulse into adequate circulation, a system is developed.

Impaired myocardial flow reserve was observed in 18.8% of current and 3.2% of former steroid users but was absent in control individuals (P = .02), indicating persistent coronary microvascular ...

The research highlights how a ketone body called β-hydroxybutyrate (3-OHB)—a molecule produced by the liver when breaking down fat—can enhance blood flow to the heart. The paper is published ...