Catecholaminergic Polymorphic Ventricular Tachycardia Type 2

**Semantic type:** Disease or Syndrome

**Definition:** An autosomal recessive condition caused by mutation(s) in the CASQ2 gene, encoding calsequestrin-2. It is characterized by a relative resting bradycardia and a slight prolongation of the QTc interval. Polymorphic ventricular tachycardia may be induced with exercise stress testing or isoproterenol infusion.

**Synonyms:** - CPVT2