Myocardial Infarction occurs with the stoppage of blood supply to the heart muscles and leads to death

 

Myocardial Infarction

The most common cause of a heart attack, or myocardial infarction (MIA), all involves some type of blockage of at least one of the main coronary arteries. In general, if the coronary arteries are blocked, the heart is unable to receive enough oxygenated blood to work properly. If the blocked arteries are located in the left ventricle or left side of the chest, they are called right-sided myocardial infarction (RVMI) and vice versa.

RVMI is caused when the right sided coronary artery becomes completely blocked, usually by a buildup of fatty deposits (fat streaks) that form over the muscles that surround the blocked artery. As RVMI is a slow heart rate increase that does not have a detectable onset, it is quite rare for people to have this condition during their entire lifetime. Studies show that women tend to suffer from myocardial infarction at a younger age, while men usually have the condition after the age of sixty-five. For instance, in September 2021, according to a survey conducted by the U.S. Centers for Disease Control and Prevention (CDC), about 1.3% of cannabis users are susceptible to myocardial infarction as compared to 0.8% of non-users.

Many times, even after suffering a heart attack and being treated for myocardial infarction with a high dose of aspirin, patients still end up suffering from symptoms related to the weakened heart muscle. One of the main symptoms that are noticed is shortness of breath, which is often mistaken as a result of heart failure. Shortness of breath can be due to oxygen deprivation, where there is less oxygen to the heart muscle to work with. This causes the heart muscle to weaken, eventually wearing away the muscle. While this weakening is temporary, it leaves the patient susceptible to infections as well.

The biggest risk of suffering a heart attack or having a myocardial infarction is thought to be through hypertension. Hypertension, if left untreated, can lead to the development of clogged arteries, where large amounts of blood cannot flow through the body. As the blood supply to the heart becomes clogged, this can cause the heart muscle to weaken, eventually wearing away the muscle and resulting in death.


Location: India

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