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Pericarditis may be caused by viral, bacterial, or fungal infection. In the developing world the bacterial disease tuberculosis is a common cause, whereas in the developed world viruses are believed to be the cause of about 85% of cases. [6] Viral causes include coxsackievirus, herpesvirus, mumps virus, and HIV among others. [4]
Viral cardiomyopathy occurs when viral infections cause myocarditis with a resulting thickening of the myocardium and dilation of the ventricles. These viruses include Coxsackie B and adenovirus, echoviruses, influenza H1N1, Epstein–Barr virus, rubella (German measles virus), varicella (chickenpox virus), mumps, measles, parvoviruses, yellow fever, dengue fever, polio, rabies, and the ...
The pathophysiology of viral myocarditis is not well understood, but it is believed to involve cardiotropic viruses (viruses with a high affinity for the heart muscle) gaining entry to cardiac muscle cells, usually via binding to a transmembrane receptor. [31]
Find out what it is and how to protect yourself, according to cardiologists.
The amount of virally infected cardiomyocytes varies in different stages of the disease. In a mouse model, at the acute stage (7 days after infection with coxsackievirus B3) approximately 10% of the myocytes are infected and could affect overall cardiac function. In chronic murine infection, the percentage of infected cardiomyocytes are much lower.
The coronavirus can damage the heart, according to a major new study which found abnormalities in the heart function of more than half of patients.
Coxsackie B virus infection may also induce aseptic meningitis. As a group, they are the most common cause of unexpected sudden death , and may account for up to 50% of such cases. [ 6 ] The incubation period for the Coxsackie B viruses ranges from 2 to 6 days, and illness may last for up to 6 months in extreme cases, but may resolve as quickly ...
The cause is typically a bacterial infection and less commonly a fungal infection. [1] Risk factors include valvular heart disease, including rheumatic disease, congenital heart disease, artificial valves, hemodialysis, intravenous drug use, and electronic pacemakers. [6] [7] [5] The bacteria most commonly involved are streptococci or ...