Myocardial Infarction ( Heart Attack)
Introduction: Acute Myocardial Infarction (AMI), commonly known as a heart attack is the irreversible necrosis of heart muscle secondary to prolonged ischemia. Results from an imbalance is oxygen supply and demand, caused by plaque rupture with thrombus formation in a coronary vessel, resulting in an acute reduction of blood supply to a portion of the myocardium. Risk factors: Non-modifiable risk factors: Age. Sex. Genetic Influence. Race. Modifiable risk factors: High Blood pressure. Smoking. High cholesterol. Weight and inactivity. Diabetes. Causes: Age: Individuals aged >40 years have 8 times greater risk for AMI. Sex: Men- >55 years. Women- >65 years. Smoking: Increases the risk by 4 times. Obesity: people who have excess body fat especially at the waist are most likely to develop heart disease. Lack of physical exercise: has been linked to 7- 12% of the cases. Acute and prolonged intake of high quantity of alco...