Cardioversion with Cardiac Amyloidosis

You are currently providing anaesthesia for the transoesophageal echocardiogram and cardioversion list. The cardiology registrar informs you that he has added a 65-year-old man to the end of the list. The patient presented to the emergency department two hours ago with severe shortness of breath. He has a history of multiple admissions to the Coronary Care Unit for management of his cardiac amyloid disease. Medications on admission: atorvastatin 40 mg daily bisoprolol 2.5 mg daily furosemide (frusemide) 40 mg twice daily potassium chloride 1500 mg twice daily prednisone 10 mg daily rivaroxaban 20 mg daily spironolactone 25 mg daily