Acute Myocardial Infarction: Causes, Symptoms, and Early Warning Signs

Acute Myocardial Infarction: Causes, Symptoms, and Early Warning Signs

Question. Discuss etiology, clinical features, acute myocardial infarction.
Or
Describe the etiology of acute myocardial infarction.

Answer. Acute myocardial infarction is defined as irreversible damage to myocardium of heart as a result of occlusive thrombus due to rupture of atherosclerotic plaque in coronary artery.

Etiology

1. The most important cause of myocardial infarction is coronary atherosclerosis.
2. Obesity and hypertension
3. Cigarett smoking
4. Diabetes mellitus
5. Sedentary life cycle (A life cycle involving litte exercise,even of at least strenuous type)
6. Dyslipidemia, i.e. increased levels of LDL.
7. Hereditary susceptibility

Clinical Features acute myocardial infarction.

Symptoms: acute myocardial infarction.

1. Pain: Chest pain is more common and is severe in comparison to angina.
   Pain is severe with pallor and a peculiar facial expression.
   Pain is described as tightness, heaviness and constriction.
2. Anxiety: It is common and occurs when there is fear of impending death.
3. Nausea and vomiting.
4. Breathlessness due to fall in cardiac output.
5. Collapse or syncope due to arrhythmia and profound hypertension.