Pediatrics international : official journal of the Japan Pediatric Society
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We report the case of an 11-year-old boy who was diagnosed with catecholaminergic polymorphic ventricular tachycardia (CPVT). The patient had a medical history of three episodes of syncope. The last episode was cardiac arrest while swimming. ⋯ The patient was diagnosed with CPVT after detection of ryanodine receptor 2 mutation. His father also carried the same mutation, although he did not have any symptoms nor did he have a history of syncope. We propose that CPVT should be included in the differential diagnosis in children with recurrent episodes of syncope.