, Spencer Skelton2, Krista Turner3   and Hassan Aijazi4 (1) Department of General Surgery, University of Texas Health Science Center, Houston, TX, USA (2) Department of General Surgery, The Methodist Hospital, Houston, TX, USA…

Fig. 27.1 Depiction of usual sites of SMA embolus versus thrombosis. Note sparing of proximal jejunal branches with more distal lodgment of an embolus. Reprinted with permission from Hassoun HT:…

Fig. 12.1 An example of a massive transfusion protocol. Adapted from reference [5] Even before the transfusions take place, MTPs call for the rapid mobilization of blood components by having…

Neoplasms (polyps, adenoma, and carcinoma) Volvulus (cecal, transverse, and sigmoid) Diverticulitis Incarcerated hernia Inflammatory bowel disease Intussusception Ischemic colitis Pseudo-obstruction (Ogilvie’s syndrome) Fecal impaction Benign stricture Foreign body Clinical Presentation…

Fig. 26.1 Diverticular disease: (left) diverticulosis, (right) diverticulitis Diverticulitis refers to inflammation or infection of a diverticulum. The patient with diverticulitis will commonly present with fever, leukocytosis, and left lower…

Fig. 9.1 Enteral nutrition protocol algorithm Determining Caloric Needs Caloric needs can be calculated using one of many formulas such as the Harris–Benedict equation, or measured with indirect calorimetry. Harris–Benedict…

Fig. 29.1 Initial assessment of lower gastrointestinal bleeding An important diagnostic caveat must be kept in mind in the evaluation of lower gastrointestinal bleeding, specifically that multiple sources of bleeding…

Fig. 2.1 (a) Common causes of the acute abdomen based on quadrant. (b) Common causes of the acute abdomen based on region. Illustrations courtesy of Briana Dahl The majority of…