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Small Bowel Obstruction: Likelihood Ratios

Introduction: None written.

[Edit Diagnosis] [Merge dx] [Add prevalence]

Tags: Gastrointestinal Problem Tag this Diagnosis.

The likelihood ratios of findings for Small Bowel Obstruction are listed below. See the left navigation bar to change the display.

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Finding +LR-LR Comments, Study
Abdominal CT
Duplicate Edit		 8.30.5

Study: Radiology. 2007 Dec;245(3):661-71. PMID: 18024448
Abdominal CT
Duplicate Edit		 3.80.2

non-enhanced

Study: Eur J Radiol. 2009 Jul;71(1):135-40. PMID 18534800

Abdominal CT
Duplicate Edit		 3.50.2

with IV contrast

Study: Eur J Radiol. 2009 Jul;71(1):135-40. PMID 18534800

Abdominal Distension Edit 5.80.4

for SBO as final diagnosis of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

Abdominal Mass Edit 2.20.9

for SBO as final diagnosis of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

Abdominal Rigidity Edit 2.70.9

for SBO as final dx of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

Abdominal Tenderness Edit 5.10.7

for SBO as final diagnosis of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

Abdominal US Edit inf0.2

Study: Acta Radiol 1999 Jul;40(4):422-8. PMID 10394872

Abdominal X-Ray Edit 1.60.5

many sources list sensitivity closer to 50%

Study: Am Surg. 1999 Oct;65(10):922-6. PMID: 10515535
Age Edit 2.20.5

for SBO as final dx of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

Clinical diagnosis Edit 750.3

Study: Scand J Gastroenterol. 1994 Aug;29(8):715-21 PMID: 7973431
Colicky Pain Edit 2.90.8

for SBO as final dx of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

CT Enteroclysis Edit inf0.1

Study: Radiology. 2007 Dec;245(3):661-71. PMID: 18024448
Decreased Bowel Sounds Edit 3.20.8

for SBO as final dx of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

Elevated D-dimer Edit 1.90.6

for strangulated SBO

Study: Medicina (Kaunas). 2007;43(11):850-4. PMID: 18084141
Elevated Serum Amylase Edit No accuracy specified.

Study: no study specified.
Elevated Serum Lactate Edit 6.90.1

for ischemia

Study: Am J Surg 1994 Jun;167(6):575-8. PMID 8209931

Emesis Edit 2.20.4

for SBO as final dx of abdominal pain

Emesis is more common in proximal small bowel obstruction than in distal small bowel obstruction

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

Enteroclysis Edit 8.30

plain film enteroclysis

Study: Radiol Clin North Am. 2003 Mar;41(2):263-83, vi. PMID: 12659338
hearing loss Edit No accuracy specified.

Study: no study specified.
History of Abdominal Surgery Edit 2.60.4

for SBO as final dx of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

History of Constipation Edit 8.80.6

for SBO as final dx of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

Increased Bowel Sounds Edit 3.50.7

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308
Leukocytosis Edit No accuracy specified.

Study: no study specified.
Relief of Pain by Vomiting Edit 4.30.8

for SBO as final dx of abdominal pain

Study: Eur J Surg. 1998 Oct;164(10):777-84. PMID: 9840308

Tachycardia Edit No accuracy specified.

Study: no study specified.
UGI/SBFT Edit No accuracy specified.

An upper GI and small bowel follow-through can differentiate between mechanical obstruction and an ileus

Study: no study specified.

 

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