Complications in Anesthesia

Bradyarrhythmias

Case Synopsis During an open abdominal aortic aneurysm repair, a 71-year-old man suddenly becomes profoundly hypotensive after acute blood loss. The mean arterial blood pressure is 40 mm Hg, and the electrocardiogram (ECG) shows a wide complex rhythm of 35…

Awareness Under Anesthesia

Case Synopsis “I thought I was about to die. [One minute] I was wheeled into a fairly routine orthodontic operation. … Suddenly, I was aware something had gone very wrong. I could hear what was going on around me, and…

Autonomic Dysreflexia

Case Synopsis A 35-year-old man with T1 spinal cord transection 3 years ago, sustained in a motorcycle accident, is scheduled for elective cystoscopy with removal of a bladder stone. In the preoperative holding area, he feels anxious and has a…

Angioedema and Urticaria

Case Synopsis A 57-year-old hypertensive African American woman with recent initiation of angiotensin-converting enzyme (ACE) inhibitor undergoes laparoscopic cholecystectomy under general endotracheal anesthesia. After 1 hour in the recovery room, the patient complains that her tongue feels “thick.” On examination…

Anaphylaxis and Anaphylactoid Reactions

Case Synopsis A 54-year-old woman presents for a hysterectomy and oophorectomy for ovarian mass. She is induced with propofol, fentanyl, and vecuronium. Sevoflurane in air/oxygen is delivered for maintenance. She receives 2 g of cefotetan shortly after intubation. Within the…

Alleged Malpractice

Case Synopsis A 23-year-old woman undergoes emergency cesarean section under general anesthesia for fetal bradycardia and placental abruption. She is hypotensive (blood pressure 70/30 mm Hg) and tachycardic (heart rate 150 beats per minute) as the procedure begins. After delivery,…

Air Emboli

Case Synopsis An 8-week-old infant is undergoing a craniectomy for sagittal craniosynostosis. As the surgeon is excising the cranial bone segment, precordial Doppler sounds change, and the blood pressure rapidly declines ( Fig. 127.1 ). Problem Analysis Definition Gas bubbles…

Adverse Neurologic Sequelae : Peripheral Nerve Injury

Case Synopsis A 62-year-old man underwent coronary artery bypass graft surgery via a median sternotomy, with harvesting of the internal mammary artery. During a routine postoperative visit, the patient complains of a “tingling” sensation in the fourth and fifth fingers…

Adverse Neurologic Sequelae : Central Neurologic Impairment

Case Synopsis A 68-year-old man with a history of insulin-dependent diabetes mellitus, hypertension, and an 80 pack-year smoking history is scheduled for four-vessel coronary artery bypass grafting (CABG). After uneventful induction of anesthesia, severe aortic atheromatous disease is observed via…