Case Synopsis A 75-year-old woman with perforated diverticulitis is undergoing a laparoscopic hemicolectomy under general anesthesia. The patient’s abdomen has been insufflated with CO 2 to a pressure of 15 to 20 mm Hg for 45 minutes. The end-tidal CO…
Case Synopsis A 57-year-old woman who is a heavy smoker experiences a difficult endotracheal intubation during induction of anesthesia. Mask ventilation also is difficult, partly because of the high inspiratory pressures required and partly because of a poor mask fit,…
Case Synopses Case 1 A 75-year-old man underwent total knee replacement under spinal anesthesia with local anesthetic and 300 μg of diamorphine or 100 μg of morphine. Late that evening he appears extremely sleepy and has oxygen saturation of 94%…
Case Synopsis A 76-year-old man (184 cm, 58 kg, American Society of Anesthesiologists [ASA] status 3) was scheduled for a total shoulder arthroplasty. His medical history was significant for coronary artery disease with remote bare metal stent placement and atrial…
Case Synopsis A frail, 55-kg, 79-year-old woman is admitted for elective hip replacement as the first surgery of the day in a specialty orthopedic surgery center. An epidural catheter is placed for surgical anesthesia and postoperative analgesia. With the patient…
Case Synopsis A 33-year-old woman, G3P2002 at 34 weeks’ gestation with a known history of placenta previa, undergoes ultrasound concerning for placenta accreta. The patient underwent a successful cesarean section under epidural anesthesia but required allogeneic blood transfusions that included…
Case Synopsis A 70-year-old man with a history of coronary artery disease and a new diagnosis of abdominal aortic aneurysm is being evaluated in the preoperative area for an open repair. His hemoglobin is 10 g/dL, and you decide to…
Case Synopsis A 53-year-old woman has laser excision of vocal cord papillomas under anesthesia with halothane and spontaneous ventilation. She has had several prior excisions, including one a month earlier, all with halothane; all were uneventful. However, 1 week after…
Case Synopsis A 52-year-old woman with bipolar depression undergoes her first electroconvulsive therapy (ECT) treatment. Past history is otherwise pertinent only for hemiparetic, static encephalopathy as a result of meningitis in infancy and hypertension. Medications include lamotrigine, lurasidone, and lisinopril.…
Naloxone Case Synopsis An otherwise healthy 65-year-old, 80-kg man is given 2 mg of fentanyl intravenously (IV) during a 3-hour coronary artery bypass grafting procedure. Postoperatively, the patient remains intubated and mechanically ventilated and is transferred to the intensive care…