Cardiology

What is a cardiac stress test?

Your heart provides blood to all parts of your body. In order to determine if it's pumping properly, your health care provider may order a cardiac stress test. It makes the heart pump harder and faster, and can reveal potential ...

Cardiology

New model of myocardial flow proposed

A research group from Shanghai and Moscow has developed a multi-scale model of coronary circulation, which nourishes the myocardium. The model is the first to account for key factors of the myocardial perfusion mechanism. ...

Diseases, Conditions, Syndromes

Understanding and preventing gangrene

Dear Mayo Clinic: I have heard that a stubbed toe can lead to gangrene in some individuals. Is that true? What are the signs of gangrene, and how can it be avoided?

Cardiology

Why doctors still rely on century-old heart test

Most people might assume that technology first developed in 1928 would be obsolete by now. But from air conditioned buildings to sliced bread, many inventions of that era are still essential to our lives today. That includes ...

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