Pneumobilia
Fig. 17.1 Plain abdominal film showing the outline of the biliary tree with air (Pneumobilia). © Dale Dangleben, MD Complications The most important complication that should be considered is the higher…
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Acute Anorectal Emergencies
Fig. 10.1 Perianal abscess. © Dale Dangleben, MD Hemorrhoids Hemorrhoids can be diagnosed by a thorough history and physical examination. The examination should include inspection while straining. In all patients who…
Pancreatic Pseudocysts
Fig. 15.1 Large pancreatic pseudocyst. © Dale Dangleben, MD Endoscopic ultrasound (EUS) has emerged as an important adjunct, as it is useful in aspirating a sample of fluid from the pseudocyst…
Intussusception
Fig. 12.1 a, b Intussusception on CT scan. © Dale Dangleben, MD Fig. 12.2 Target sign sometimes seen with intussusception. © Dale Dangleben, MD Complications If the intussusception is not reduced in…
Fournier’s Gangrene
Fig. 7.1 CT scan showing gas gangrene in the scrotum. This is consistent with Fournier’s gangrene. © Dale Dangleben, MD Complications The most feared complication is death with failure to recognize…
Meckel’s Diverticulitis
Fig. 13.1 Meckel’s diverticulum found on exploratory laparotomy. © Dale Dangleben, MD References 1. Cameron JL, Cameron AM. Management of symptomatic small bowel diverticula. In: Current surgical therapy. 11th ed. Philadelphia:…
Diverticulitis of the Colon
Fig. 5.1 CT scan showing extensive diverticular disease. © Dale Dangleben, MD Seven months later, the patient returns with similar symptoms, and a CT scan shows pericolonic stranding and free air….
Upper Gastrointestinal Bleeding
Fig. 8.1 UGI bleeding from a Dielaufoy’s lesion. © Dale Dangleben, MD Complications Estimated to occur with a frequency of 0.03%, esophageal perforation is the most troublesome complication of endoscopy. This…
Newer Drugs for Sedation: Soft Pharmacology
Remimazolam Dexmedetomidine Etomidate analogsa Fospropofol Class Benzodiazepine α2 adrenoceptor agonist Imidazole Propofol prodrug Receptor GABAA α2 adrenoceptors GABAA GABAA Sedative dose 0.1–0.2 mg/kg 1 mcg/kg over 10 min, then…
Challenges of Performing Out of Operating Room Anesthesia on the Morbidly Obese
BMI (kg/m2) Obesity class Disease riska relative to normal weight and waist circumference Men 102 cm (40 in) or less Women 88 cm (35 in) or less Men >…
