During his hospital stay, he was commenced on metoprolol for rate control, and given that he had atrial fibrillation, he was also started on warfarin, which his INR has been followed up by the Homeless Clinic. 
During his hospital stay , he was commenced on metoprolol for rate control , and given that he had atrial fibrillation , he was also started on warfarin , which his INR has been followed up by the Homeless Clinic .