Myocardial infarction meaning
Myocardial infarction pathophysiology
What are the 5 types of myocardial infarction.
Myocardial infarction
Interruption of cardiac blood supply
"Heart attack" redirects here. For other uses, see Heart attack (disambiguation).
Not to be confused with cardiac arrest, heart failure, or heart block.
Medical condition
| Myocardial infarction | |
|---|---|
| Other names | Acute myocardial infarction (AMI), heart attack |
| A myocardial infarction occurs when an atheroscleroticplaque slowly builds up in the inner lining of a coronary artery and then suddenly ruptures, causing catastrophic thrombus formation, totally occluding the artery and preventing blood flow downstream to the heart muscle. | |
| Specialty | Cardiology, emergency medicine |
| Symptoms | Chest pain, shortness of breath, nausea/vomiting, dizziness or lightheadedness, cold sweat, feeling tired; arm, neck, back, jaw, or stomach pain,[1][2]decreased level or total loss of consciousness |
| Complications | Heart failure, irregular heartbeat, cardiogenic shock, coma, cardiac arrest[3][
|