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Revista Española de Cardiología (English Edition) Revista Española de Cardiología (English Edition)
Rev Esp Cardiol. 2017;70:197 - Vol. 70 Num.03 DOI: 10.1016/j.rec.2016.11.021

ECG, March 2017

Alfonso Macías a,, Sara Castaño a, Inés Madrazo a

a Servicio de Cardiología, Hospital General Nuestra Señora del Prado, Talavera de la Reina, Toledo, Spain
Suggest your resolution to this ECG Contest


A 79-year-old man with a dual-chamber defibrillator for the last 6 years presents to the emergency room with a 3-hour history of palpitations. He is hemodynamically stable (blood pressure, 130/70 mmHg) and has not received any shocks from the device. An electrocardiogram is recorded (Figure).


What is the diagnosis with this trace?

  • 1. Polymorphic ventricular tachycardia

  • 2. Atrial fibrillation with aberrant conduction

  • 3. Monomorphic ventricular tachycardia and atrial fibrillation

  • 4. Pre-excited atrial fibrillation (left lateral accessory pathway)

Suggest a solution to this ECG Contest The answer will be published in the next issue (April 2017). #RetoECG.

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