<prompt> In the immediate postoperative period, the common cause of respiratory insufficiency could be because of the following except:Residual effect of muscle relaxantOverdose of narcotic analgesicMild hypovolemiaMyocardial infarction  <response>: Ans. c Mild hypovolemiaRef: Bailey 26e p15Immediate post op Dyspnea: MI Heart failure Pulmonary embolism Exacerbation of COPDasthma 