what are the Recommendations for Idiopathic Polymorphic VT/VF
References that support the recommendations are summarized in
Online Data Supplement 49.?
In young patients (<40 years of age) with unexplained SCA, unexplained near drowning, or recurrent exertional syncope, who do not have ischemic or other structural heart disease, further evaluation for genetic arrhythmia syndromes is recommended.S