Dengue is an arbovirus endemic in Brazil, with a wide clinical spectrum, from asymptomatic to death cases, because of dengue shock syndrome or hemorrhagic dengue. Atypical manifestations as myocardial involvement are usually more present in epidemic periods. This report presents the case of a patient who after a dengue episode evolved with dilated myocardiopathy and reduction of the ejection fraction, with late resolution and complete recovery of ventricular function after the institution of treatment. Dengue, its clinical picture, diagnosis and complication are briefly discussed; with focus on the cardiac involvement, its pathophysiology and consequences. The exams that prove the previous ventricular functionality, its commitment with the disease and subsequent recuperation are presented. It concludes showing the relevance about the case presented, the importance of the medical suspicion and the challenge to conclude the diagnosis.
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