A member asked:

What can cause prolonged qt and abnormal ecg?

4 doctors weighed in across 2 answers
Dr. Rick Koch answered

Qt: Qt interval is a measure of electrical repolarization in the heart. Medications can cause prolongation as well as slower heart rates. Get evaluated.

Answered 2/20/2016

5.6k views

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Dr. Volkan Tuzcu answered

Specializes in Pediatric Cardiology

Qt: One is congenital long qt syndrome, but electrolyte imbalances, some drugs, low thyroid hormones and some other rare medical situations can also cause it

Answered 7/12/2015

2.6k views

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