A member asked:

Can propranolol 10 and citalopram 20 cause a qrs interval of 120 ms? i have echo and ecg test 3 days later. do i need to stop these meds before test?

2 doctors weighed in across 2 answers
Dr. Amrit Singh answered

Specializes in Cardiology

No: not much and very rarely. unless u have already conduction defect in ur ECG. Propranolol mainly causes bradycardia. Citalopram masy cause qrs prolongation esp if u have loe K, MG or previous qrs prolongation

Answered 1/10/2015

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Ask your doctor: Your doctor may be investigating your MVP symptoms or might be assessing the effect your current medications have had on your heart rhythms. If the former, she might prefer you stop your meds. If the latter, probably continue them. A prolonged QRS isn't what we usually think about with your meds. Again, talk it over with your doctor.

Answered 1/10/2015

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