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Catecholaminergic Polymorphic VT

On this page:Diagnosis


Catacholaminergic polymorphic ventricular tachycardia (CPVT) is a rare inherited disorder that occurs due to mutations in the ryanodine receptor, affecting calcium release from the sarcoplasmic reticulum.
Catacholaminergic polymorphic ventricular tachycardia may present as syncope or sudden cardiac death due to polymorphic ventricular tachycardia, following an adrenergic stress such as exercise.


  • ECG Findings

  • Polymorphic VT with alternating QRS morphology
  • Ventricular fibrillation
  • Diagnosis
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