Key result
Influenza A triggers fulminant myocarditis, LBBB, and cardiogenic shock with full recovery in 11 days.
Why the study?
Clinical myocarditis due to influenza is apparently rare, and there are few reports of fulminant influenza myocarditis.
Case Report (n=1)
No
Highlights a rare case of fulminant myocarditis secondary to H3N2 influenza infection with a favorable clinical outcome.
Influenza viruses induce uncomplicated infections in most cases, in individuals without known predisposing factors, acute febrile illness is usually limited to upper respiratory symptoms and constitutional symptoms. However, some patients are at risk of serious and fatal complications, myocardial involvement is mentioned in the literature, but clinical myocarditis due to influenza is apparently rare. There are few reports of fulminant influenza myocarditis. In the present case report, a patient who experienced myocarditis associated with H3N2 influenza infection, with recent Left Branch Blockage, acute pulmonary edema, and altered state of consciousness in the Vozandes Hospital in Quito during 2019 is reported; his clinical condition at discharge was favorable.
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Galarza et al. (2021) conducted a case report in Myocarditis secondary to influenza H3N2 (n=1). Influenza A (H3N2) infection was evaluated on Clinical recovery. A 66-year-old male developed fulminant myocarditis, left bundle branch block, and cardiogenic shock secondary to influenza A (H3N2) infection, recovering favorably after 11 days of hospitalization.
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