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277 Possible Causes for Absent Bowel Sounds

  • Appendicitis

    bowel sounds.[] Appendicitis is characterized by vomiting, a low-grade fever of 99 to 102 F, an elevated white blood cell count, rebound tenderness, a rigid abdomen, and decreased or absent[]

  • Acute Gastroenteritis

    Faint or absent bowel sounds can indicate hypokalemia.[]

  • Abdominal Surgery

    Typically, absent bowel sounds indicate ileus, and ''tinkling' ones indicate mechanical obstruction.[] The return of his bowel sounds is a sign that his gut is starting to work normally again, and that it is time to remove his nasogastric tube.[] After a laparatomy the normal muscular action of a patient's gut is usually absent for 6 to 72 hours.[]

  • Paroxysmal Nocturnal Hemoglobinuria

    Ischaemia of the gut produces absent bowel sounds. Cerebral vein thrombosis can produce papilloedema and other neurological signs.[] Other physical examination findings may include the following: Hepatomegaly and ascites in the presence of Budd-Chiari syndrome Absent bowel sounds in the presence of bowel[]

  • Ileus

    CLINICAL FEATURES abdominal pain N V constipation abdominal distension intolerant of enteral feeding absent bowel sounds can produce: intestinal ischaemia, perforation and[] ) Abdominal tenderness, rigidity (usually absent unless strangulation or peritonitis occur) Absent bowel sounds or high pitched bowel sounds above obstruction (upon auscultation[] bowel sounds; importantly, this is a key difference to the presentation of a mechanical obstruction (which typically has ‘tinkling’ bowel sounds present) A post-operative[]

  • Penetrating Abdominal Trauma

    Clinical signs which may suggest operative management include tenderness not localised to the area of injury, as well as absent bowel sounds.[] Absent bowel sounds and abdominal wall rigidity were the most sensitive indices as their presence was always associated with intraperitoneal injury.[] The decision to operate was based on the following: peritoneal irritation as manifested by tenderness, reduced or absent bowel sounds, spasm of the abdominal wall or rebound[]

  • Anticholinergic Toxicity

    bowel sounds, tachycardia, flushed skin, disorientation, urinary retention, hyperthermia, dry skin and mucous membranes, and auditory and visual hallucinations.[] Physical exam findings suggesting anticholinergic poisoning include hyperthermia, dry mouth, tachycardia, mydriasis, flushed dry skin, absent bowel sounds, urinary retention[] Mydriasis, dry mucous membranes, absence of axillary sweat, flushed skin, fever, tachycardia, decreased or absent bowel sounds, and urinary retention suggest muscarinic blockade[]

  • Solanaceous Alkaloid Poisoning

    Physical exam findings suggesting anticholinergic poisoning include hyperthermia, dry mouth, tachycardia, mydriasis, flushed dry skin, absent bowel sounds, urinary retention[] Anticholinergic findings suggestive of poisoning include hyperthermia, dry mouth, tachycardia, blurred vision, flushed dry skin, absent bowel sounds, urinary retention, agitation[]

  • Perforated Diverticulitis

    […] when percussion of the abdomen is performed Hemodynamic changes, such as low blood pressure and increased pulses Tachypnea Absent bowel sounds With regard to imaging modalities[] In cases of diffuse peritonitis, generalized tenderness, involuntary guarding, or decreased or absent bowel sounds are noted.[] sounds can be diminished or absent If a fistula forms, the findings vary depending on the type of fistula, as follows: Women with colovaginal fistulas may present with a[]

  • Acute Peritonitis

    bowel sounds/tachycardia/hypotension What labs should be done in peritonitis CBC/chemistires/serum lactate level What can you see on plain films in peritonitis Dilated bowel[] bowel sounds, nausea, vomiting, and tachycardia.[] The abdomen is often distended, with hypoactive-to-absent bowel sounds.[]

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