A member asked:

How common is long qt syndrome and heart arrhythmia problems in 15 yr old females?

3 doctors weighed in across 2 answers
Dr. Barton Cook answered

Specializes in Pediatric Cardiology

1 in 5000: Long qt syndrome, in people without a family history of it, occurs somewhere between 1 in 5000 to 7000 people. If you have first degree relatives with it, you are at substantial risk of having it as well.

Answered 2/21/2014

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Dr. Volkan Tuzcu answered

Specializes in Pediatric Cardiology

Long qt: long qt syndrome is about 1 in 2000 to 2500 in population, other arrhythmias are much more common.

Answered 7/19/2015

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