Highlights the presentation and ECG characteristics of Belhassen VT (idiopathic left ventricular tachycardia) in a pediatric patient during routine sports screening.
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Alerts clinicians to Belhassen VT during pediatric exercise testing; hypothesis-generating for prevalence and screening protocols.
First reported in 1981, idiopathic left ventricular tachycardia (VT) of the Belhassen type is characterized during electrocardiography (ECG) by a right bundle branch pattern and left axis deviation. We report the case of a 15-year-old Hispanic male who, during a routine evaluation ECG to support sports participation, was found to have nonsustained monomorphic VT. Prior to his exercise treadmill test, his physical examination and echocardiogram were normal. Then, during preparation for the exercise treadmill test, the ECG showed sustained monomorphic VT with a right bundle branch block pattern and superior QRS axis, suggesting a diagnosis of Belhassen VT.
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Agarwala et al. (2020) studied this question.
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