What factors make myocardial infarction worse?

Myocardiainfarction: Arriving to the hospital later rather than earlier can decrease the chance of early intervention to open the artery that saves heart muscle to be effective.

Many: The location is a major factor: left main blockage is most likely to be fatal. Proximal left anterior descending is also often fatal. Patient factors such as on-going tobacco use, uncontrolled hypertension, diabetes, anemia, pre-existing heart or kidney failure and advanced age all raise the risk.