Which Coronary Artery Blockage Is the Widowmaker?

The widow-maker is a massive heart attack that occurs when the left anterior descending artery (LAD) is totally or almost completely blocked. The critical blockage in the artery stops, usually a blood clot, stops all the blood flow to the left side of the heart, causing the heart to stop beating normally.

What is the survival rate of a Widowmaker heart attack?

A heart attack from a blockage in the main artery that goes down the front of the heart, known as the widowmaker, is often the most fatal. According to the American Heart Association, the survival rate following a widowmaker heart attack is only 12% when it occurs outside of a hospital or advanced care center.

What percent blockage of a coronary artery is considered to be dangerous?

Severe heart blockage is typically that in the greater than 70% range. This degree of narrowing is associated with significantly reduced blood flow to the heart muscle and can underlie symptoms such as chest pain and shortness of breath. In the diagram above, an 80% blockage can be seen at the beginning of the vessel.