Systemic: Patient experienced atrial fibrillation-Medium, Systemic: Tachycardia-Medium, Additional Details: Patient called to report that she experienced AFib and tachycardia (110 bpm at rest) and wanted to know if it was associated with the RSV vaccine she received 1 day prior. The event was resolved by the patient when she took an extra dose of metoprolol and diazepam. She contacted the pharmacy after the event. The pharmacist recommended that she follows-up with her cardiologist (who she has an appointment with next month) on the next business day.