CPVT is estimated to affect 1 in 10,000 people. Symptoms from CPVT are typically first seen in the first or second decade of life, and more than 60% of affected individuals experience their first episode of syncope or cardiac arrest by age 20.
CPVT is estimated to affect about 1 in 10,000 people.  Symptoms typically appear during the first or second decade of life, with more than 60% of those affected experiencing their first episode of fainting or heart failure by age 20.