catecholaminergic polymorphic ventricular tachycardia 4 (MONDO_0013966, a Monarch Disease Ontology entry) is any catecholaminergic polymorphic ventricular tachycardia in which the cause of the disease is a mutation in the CALM1 gene. Also known as: CALM1 catecholaminergic polymorphic ventricular tachycardia, CVPT4, catecholaminergic polymorphic ventricular tachycardia caused by mutation in CALM1, catecholaminergic polymorphic ventricular tachycardia type 4, ventricular tachycardia, catecholaminergic polymorphic, type 4.