The patient is a sixty year old male admitted with cancer of the esophagus. The patient subsequently had an esophagogastrectomy . He has a history of COPD, coronary artery disease, hypertension, and myocardial infarction. Following surgery he was placed on the ventilator and was receiving Lasix, KCI, Imipenem, Digoxin, Verapamil, Vancomycin, and Tobramycin. The chest x-ray shows bilateral pulmonary edema with some consolidation in the left base..