A rare inherited heart rhythm disturbance found in young people and children.
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- Glossary: Catecholaminergic Polymorphic Ventricular Tachycardia [CPVT]A rare inherited condition in which exercise or emotional stress triggers dangerous ventricular arrhythmias despite a structurally normal heart. Often presents in childhood. Treated with beta-blockers and often an ICD. Family screening is essential.
- Glossary: ChannelopathyAn umbrella term for inherited conditions in which the heart's electrical ion channels malfunction despite a structurally normal heart. Includes Long QT Syndrome, Brugada Syndrome, Short QT Syndrome, and CPVT. Family screening is recommended following any diagnosis.
Alternative Meanings:
- Catecholaminergic Polymorphic Ventricular Tachycardia [CPVT]
A rare inherited arrhythmia syndrome in which the heart's structure is normal but certain triggers — particularly physical exertion or emotional stress — can provoke dangerous ventricular arrhythmias, including polymorphic ventricular tachycardia. CPVT is caused by mutations affecting calcium regulation within heart cells, most commonly in the RYR2 gene. It typically presents in childhood or adolescence and can cause sudden cardiac arrest. Treatment includes beta-blockers, lifestyle modification (avoidance of competitive sport), and often an ICD. Family screening is essential following diagnosis.