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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]
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 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 ...
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.
The heart wall’s made up of three layers, the epicardium being the outermost layer, then the myocardium, and then the endocardium, which is the layer that gets inflamed. It turns out that most cases of endocarditis are due to a microbial infection of the endocardium, usually involving the endocardium lining the cardiac valves.
Madonna was hospitalized in the ICU for a "serious bacterial infection." But what is a bacterial infection? Learn more about the illness and Madonna's prognosis.
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]
The HACEK organisms are a group of fastidious Gram-negative bacteria that are an unusual cause of infective endocarditis, which is an inflammation of the heart due to bacterial infection. [1] HACEK is an abbreviation of the initials of the genera of this group of bacteria: Haemophilus , Aggregatibacter (previously Actinobacillus ...