Myocardial infarction
Myocardial infarction (MI), commonly known as a heart attack, is a serious medical emergency that occurs when blood flow to the heart is blocked, leading to damage or death of the heart muscle. It is one of the leading causes of death worldwide, with millions of people being affected by this condition each year. Causes: The primary cause of a heart attack is the blockage of one or more coronary arteries, which are the blood vessels that supply the heart with oxygen and nutrients. The blockage is typically caused by a buildup of plaque, which is a combination of cholesterol, fat, and other substances that can accumulate in the walls of the arteries. When the plaque ruptures or becomes damaged, it can cause a blood clot to form, which can block blood flow to the heart. Risk factors: There are several risk factors that can increase the likelihood of developing a heart attack, including high blood pressure, high cholesterol, smoking, diabetes, a family history of heart disease,...