something blocks the arteries or there’s not enough blood flowing to the arteries. Although angina usually goes away rapidly, it can still be life-threatening.
Angina is described as feeling like:
- Painful feeling
It can also be mistaken for indigestion or heartburn and is most often experienced in the shoulder, arms, neck, back and/or jaw.
Myocardial ischemia, also called cardiac ischemia, occurs when blood flow to your heart is reduced, preventing it from receiving enough oxygen. The reduced blood flow is usually the result of a partial or complete blockage of your heart’s coronary arteries, reducing its ability to pump efficiently.
A sudden, severe blockage of a coronary artery can lead to