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Cardiomyopathy is a group of primary diseases of the heart muscle. [1] Early on there may be few or no symptoms. [1] As the disease worsens, shortness of breath, feeling tired, and swelling of the legs may occur, due to the onset of heart failure. [1] An irregular heart beat and fainting may occur. [1]
During COVID-19, the other indirect mechanisms thought to contribute to myocarditis include: oxygen supply-demand mismatch to the heart muscle leading to myocardial (heart muscle) injury; microvascular thrombi, or blood clots in the small blood vessels of the heart causing injury; the systemic hyperinflammatory state in Covid-19 leading to ...
Often, heart attack symptoms are immediate and intense, and other times they develop gradually. The longer you wait to get treatment for a heart attack, the greater the damage to your heart muscle ...
Myocardial infarction (MI) refers to tissue death of the heart muscle caused by ischemia, the lack of oxygen delivery to myocardial tissue. It is a type of acute coronary syndrome, which describes a sudden or short-term change in symptoms related to blood flow to the heart. [22]
Thiamine deficiency, in particular, is common in people with alcohol use disorder and can lead to a condition known as beriberi, which can damage the heart muscle. [4] Furthermore, chronic alcohol consumption can also lead to other cardiovascular risk factors, such as high blood pressure, high cholesterol levels, and obesity, which can ...
Before cardiac symptoms are detected, some 66% of cases have symptoms of a common cold and 33% have symptoms of asthma, rhinitis, urticarial, or other allergic disorder. Cardiac manifestations of eosinophilic myocarditis range from none to life-threatening conditions such as cardiogenic shock or sudden death due to abnormal heart rhythms .
Inflammatory damage leads to the following: [1] [2] Pericarditis: Here the pericardium gets inflamed. Acutely, it can cause pericardial effusion leading to cardiac tamponade and death. After healing, there may be fibrosis and adhesion of the pericardium with the heart leading to constriction of the heart and reduced cardiac function.
Coronary thrombosis is defined as the formation of a blood clot inside a blood vessel of the heart. This blood clot may then restrict blood flow within the heart , leading to heart tissue damage, or a myocardial infarction , also known as a heart attack.
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