A member asked:

Would using 5 mg bystolic (nebivolol) causes qt interval prolongation and arrhythmias in the long term. ?

A doctor has provided 1 answer

Beta blockers ; QT: Beta blockers on the contrary cause qt shortening and not prolongation. High calcium in blood tend to short qt is well. An i medication called Lidocaine again shortens the qt.

Answered 1/14/2017

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