Complications in Anesthesia

Persistent Paresthesia

Case Synopsis A 63-year-old woman with a history of breast cancer who has undergone chemotherapy will be undergoing a left carpometacarpal arthroplasty. An infraclavicular brachial plexus block is done using 30 mL of 0.5% ropivacaine. On her postoperative visit, she…

Peripartum Neurologic Complications

Case Synopsis A 32-year-old woman, gravida 1, para 0, had uneventful epidural analgesia for labor using 0.125% bupivacaine and fentanyl 2 μg A 10-mL intravenous bolus was administered, followed by infusion of the same mixture at 10 mL per hour.…

Perioperative Tachyarrhythmias

Case Synopsis A 68-year-old man develops sudden-onset fast atrial fibrillation during an emergency laparotomy under general anesthesia for an ischemic small bowel. The patient is hypotensive, with an irregular narrow complex tachycardia and a ventricular rate of 140 beats per…

Perioperative Myocardial Ischemia and Infarction

Case Synopsis A 62-year-old man is scheduled for cystectomy. He has a history of coronary artery disease (CAD) and underwent coronary artery bypass grafting 8 years ago. He has diabetes mellitus, hypertension, and hyperlipidemia. He takes aspirin, atenolol, pravastatin, and…

Perioperative Hypoxia

Case Synopsis A 42-year-old, 70-inch-tall, 95-kg man with chronic obstructive pulmonary disease and hypertension is undergoing a laparoscopic appendectomy. A satisfactory rapid-sequence induction with propofol and succinylcholine is performed, appropriate antibiotics are administered, and the abdomen is insufflated. Fifteen minutes…

Perioperative Hypertension

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Misidentification of a Patient

Case Synopsis A 12-year-old boy was brought to the operating room for a liver transplant late one Sunday evening. Frequent blood draws were done throughout the case, and the tests were run on a point-of-care machine in the operating room.…

Metabolic Acidosis and Alkalosis

Case Synopsis A 56-year-old taxi driver presented to the emergency department (ED) with a 2-day history of abdominal pain and intractable vomiting. He was diagnosed with acute small bowel obstruction. His blood gas (room air) and chemistry panel on arrival…

Long QT Syndromes and Torsades de Pointes

Case Synopsis A 65-year-old woman undergoes laparoscopic hysterectomy under general anesthesia. She has paroxysmal atrial fibrillation, for which she takes sotalol, and has recently commenced diuretic therapy for pedal edema. After completion of uneventful surgery, ondansetron is administered, shortly followed…

Local Anesthetic Neurotoxicity : Cauda Equina Syndrome

Case Synopsis A 48-year-old man underwent right inguinal hernia repair under spinal anesthesia. With the patient in a sitting position, a 24-gauge pencil-point needle was inserted at the L4–L5 level. Spinal medications included 75 mg of 5% lidocaine hydrochloride with…