A 74-year-old man has a 5-hour elective operation for repair of an abdominal aoic aneurysm. He had a small myocardial infarction 3 years earlier. In the ICU on the first postoperative day, he is hypotensive and is receiving dobutamine by continuous infusion.select the best method of physiologic monitoring necessary for the patient.
Central venous catheterization Pulmonary aery catheterization Blood-gas monitoring Intracranial pressure monitoring