Resumo

VILLEGAS AGUERO, David  e  MIRANDA VILLALOBOS, Karen. Miocarditis aguda por Paraquat. Presentación de un caso y revisión de la literatura. Rev. costarric. cardiol [online]. 2020, vol.22, n.2, pp.32-40. ISSN 1409-4142.

Acute paraquat myocarditis. Case report and literature review

A 41-year-old male patient from Jicaral of Puntarenas. Without significant pathological personals backgroun of importance who is referred to the Emergency Service of the Victor Manuel Sanabria Martínez Hospital for consumption of approximately 20 milliliters of Paraquat the previous day for autolytic purposes. The patient is admitted to the Internal Medicine Service and at the time of the evaluation presents only ulcerated lesions at the level of the tongue. During hospitalization, there is deterioration in renal function and electrolyte disturbances and on the tenth day, he presents a episode of oppressive chest pain accompanied by data on acute heart failure. Laboratory biomarkers show an increase in Troponin I and Brain Natriuretic Peptic. Chest radiography showed grade II cardiomegaly with signs of heart failure.

An echocardiogram was performed which documented diffuse contractility disorders with deterioration in ventricular function and dilation of the cardiac chambers. A coronary arteriography is performed that documents epicardial coronary arteries without significant injuries. The diagnosis of acute Paraquat myocarditis is confirmed and treatment for heart failure is presented, the patient presenting a satisfactory evolution and recovery of heart function evidenced by a control echocardiogram at 9 months after the initial episode.

Palavras-chave : myocarditis; Paraquat; acute heart failure.

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