A blockage of blood flow to the heart, also known as a heart attack.
Overview
Heart attack (myocardial infarction) usually occurs when a blood clot blocks blood flow to the heart. Without blood, tissue loses oxygen and dies. A heart attack is a medical emergency.
Symptoms
Symptoms include tightness or pain in the chest or arms, indigestion, and shortness of breath.
Treatments
Treatment ranges from medications to surgical procedures.
