Heart Attack: Cause, Symptoms, Risk Factors, Diagnosis and Treatment.
Cardiovascular disease is the leading cause of death worldwide. 17.7 million people die every year due to cardiovascular disease and 80% of these deaths occur due to heart attack or strokes. Heart attack is one of the main causes of cardiac death in young adults and with the elderly population. Heart attack is also known as myocardial infraction. It occurs when some tissues of the heart die due to the lack of blood flow. The heart receives its own blood supply from coronary arteries, so a heart attack takes place when these coronary arteries get blocked and reduce blood supply to the heart muscle. If the block stays long enough then heart tissues will die causing irreversible damage called necrosis. Risk factors: There are a few risk factors of a heart attack that are modifiable while some are not. Modifiable risk factors are: 1. ...