International Journal of Cardiovascular Sciences. 15/Jan/2021;34(5):593-6.
Cardiac Arrest and Exercise-Induced Polymorphic Ventricular Tachycardia: An Elusive Diagnosis
Nestor Rodrigues de Oliveira
, William Santos de Oliveira
, Adalberto Atsushi Porto
, Fabio Mastrocola
, Ana Eloisa Novaes
, Roberto Moreno Mendonça
, Júlio César Vieira de Sousa
Introduction
Polymorphic ventricular tachycardia (VT) is defined as a rapid rhythm with continuously changing ventricular activation. In the absence of QT interval prolongation, its evaluation is a challenging activity with a series of differential diagnoses. The present study reports on a case of a young man who had an out-of-hospital cardiac arrest and and who later presented an episode of exercise-induced polymorphic VT. A rational investigation is discussed based on the patient’s clinical findings and baseline ECG.
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