Heart disease

Heart disease

Heart diseases (heart attack, heart failure,) risk factors, treatment, prevention, and heart health.

Contributors in Heart disease

Heart disease

Aortic insufficiency refers specifically to the aortic valve, which is the valve the blood passes through as it leaves the heart and enters the aorta. When blood leaks back through the valve it is ...

carbon dioxide

Health care; Heart disease

A gas created during metabolism, when the cells use oxygen to burn fat and release energy. The lungs release carbon dioxide when you breathe out.

body mass index (BMI)

Health care; Heart disease

A number that reflects body weight adjusted for height.

percutaneous transluminal coronary angioplasty (ptca)

Health care; Heart disease

A procedure used to clean out clogged heart arteries. A specially designed balloon catheter with a small balloon tip is guided to the point of narrowing in the artery. Once in place, the balloon is ...

sinus node

Health care; Heart disease

A specialized cluster of cells in the heart that initiates the heartbeat. Known as the heart's natural pacemaker.

non-st-elevation mi

Health care; Heart disease

A heart attack that does not cause changes known as "Q-waves" on the electrocardiogram (ECG). However, other changes on the ECG are often seen. In addition, chemical markers in the blood indicate ...

tricuspid valve

Health care; Heart disease

The tricuspid valve is the valve that separates the right atrium from the right ventricle and prevents blood from flowing back into the right atrium during contraction of the ventricle.