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Myocardial Infarction

Myocardial Infarction

Myocardial Infarction (MI) is also referred to as a heart attack or coronary thrombosis. It is a condition where a part of the heart muscle suddenly loses blood supply. Typically, a heart attack occurs due to a thrombosis (blood clot) formed within a coronary artery. This obstructs normal blood flow to some part of the heart. If left untreated, myocardial infarction can cause damage to the heart. Besides a severe myocardial infarction can be fatal. There is shortness of breath and profuse sweating. It is essential to seek immediate medical help if you feel that you are suffering a myocardial infarction. Sudden overwhelming stress or laborious exertion or physical activity might bring on a myocardial infarction.


A heart attack is felt as a sudden and severe chest pain that may also travel up and down both arms. The pain felt during myocardial infarction lasts longer than that felt during an angina. In rare cases, a person does not feel any noticeable symptoms and is even unaware that he has suffered a heart attack. Smoking, diabetes, hypertension, high cholesterol and obesity puts a person at increased risk of heart attacks. Heart attacks are more noticed in older men and women, though there is an increasing trend for younger persons to suffer heart disease too. Female sex hormones protect women from heart disease till menopause. Heart ailments and coronary heart disease is sometimes genetic.


An ECG (electrocardiograph) can help trace your heart activity and whether you have suffered a heart attack. A Doppler ultrasound helps examine the heart valves, muscles and blood flow. A coronary angiogram is a special x-ray procedure that tests the severity of the blood vessel block with the help of a dye. The presence of certain enzymes like Troponin-I and Creatinine Kinase (CK) are indicative of a heart attack.


Hospital treatment is essential for a person suffering from a MI. The nature of the treatment hinges on the extent of damage of the heart muscle as well as the blockage of the blood vessels. Medication for dissolving the blood clot is administered. The patient is given drugs to reduce the pain and breathe easier. Beta-blocker drugs may be given to reduce the chances of another heart attacks. ACE Inhibitors may be prescribed to prevent heart failure. Balloon Angioplasty may be recommended to improve blood flow to the heart.

Myocardial Infarction

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