Category: Heart Disease FAQ

Occlusion of LAD (widow maker artery) can cause extensive myocardial infarction (heart attack) which can sometimes be fatal.

Gradient of the treadmill is the measure of the slope of the treadmill belt.

The electrode connected to the right leg is usually taken as the indifferent electrode in ECG (electrocardiogram).

Normally pulse rate and the heart rate are equal. When the pulse rate is less than the heart rate, the difference is known as pulse deficit.

The capacity to increase the heart rate with exercise or other metabolic demands is known as chronotropic reserve.

Surgery for a stenosed valve could be either opening up the valve surgically or replacing the valve with an artificial one.

Regional wall motion abnormality (RWMA) is usually noted on echocardiogram. It indicates abnormal motion of a region of the left ventricle.

A couple of premature beats originating from the ventricles, occurring in a sequence with no intervening normal beats is called a ventricular couplet.

High voltage can be generated in defibrillators by using voltage multipliers.

Arteries can be blocked by deposition of fatty material or a blood clot. Clots in blocked arteries can be removed by devices or medicines.