Q. An 81-year-old male is brought to the emergency department from the nursing home with complaint of chest pain. His pain continues despite administration of sublingual nitroglycerin and limits his ability to perform normal activities. Medical history includes chronic kidney disease and ischemic heart disease. He has been receiving regular dialysis sessions for the management of chronic kidney disease. His next session was scheduled on the day of the patient’s presentation. He is not a candidate for percutaneous or surgical coronary revascularization. ECG is performed and is shown below. Which one of the following would be the most appropriate next step in the management of this patient?