Hi: Is nonspecific ST-T abnormalities on a treadmill test, low exercise tolerance, and 4.2cm left atrium showing on echo (woman) associated with diagnosed afib and can it be reversed with drug treatment?
Dr. Abdullah Mohammed
Dr. Abdullah Mohammed
Cardiologist, Internist
Enlarged left atrium and reduce exercise tolerance are more directly associated with atrial fibrillation and would usually improve with restiringb AF to sinus rhythm with medications occasionally but more likely to be successful with electric shock under sedation. Maintaining sinus rhythm long term can be achieved with medications or ablation therapy if medications are not successful.
non-specfic ST-T changes can happen for several reasons but are not important themselves to worry about with symptoms directly linked to them such as chest pain which can be investigated separately if they symptoms persists after correcting atrial fibrillation.

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