Case 334

Medical history

A 21-year-old previously healthy male patient was admitted to the emergency department due to the sudden onset of palpitations, dyspnea and dipahoresis. Paroxysmal supraventricular tachycardia was diagnosed, a 6 mg adenosine bolus was administered and the patient developed ventricular fibrillation and cardiac arrest. Return of spontaneous circulation was achieved after the first cardiopulmonary resuscitation cycle and a 12-lead electrocardiogram was obtained (images 1, 2 and 3).

Based on the 12-lead electrocardiogram and the clinical scenario, what is the most likely diagnosis?

Questão de Prova

Votorantin Municipality – Cardiologist (2010)

Concerning the Wolff-Parkinson-White syndrome, which of the following CANNOT be stated?

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