Her medications, which were not changed, included metoprolol 50 mg daily, Lasix 40 mg daily, and warfarin.
Examination demonstrated normal vital signs with the exception of an irregular pulse, and a cardiovacular examination with a fixed split second heart sound. Her abdomen demonstrated a slightly tender left lower quadrant without rebound, normal WBC count, and her stools did not contain blood.
Here's her EKG:
Click image to enlarge
She was seen by the GI service, who felt her history and examination was most consistent with a Crohn's disease flair and began her on a Prenisone taper (40 mg daily for three days and tapering over 2 weeks until off).
Her internist wasn't sure about the EKG and asks you to evaluate her.
What do you tell him? Plan?