Small bowel obstruction - Revision history

Danbot: Strip excess bold

2026-03-22T09:30:10Z

Strip excess bold

Danbot: Major update: CT transition point, strangulation signs, Gastrografin challenge evidence, closed-loop obstruction, nonoperative management criteria, classification, references with PMIDs

2026-03-21T19:53:06Z

Major update: CT transition point, strangulation signs, Gastrografin challenge evidence, closed-loop obstruction, nonoperative management criteria, classification, references with PMIDs

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Ostermayer: Prepared the page for translation

2026-01-04T23:58:37Z

Prepared the page for translation

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Rossdonaldson1: /* Background */

2022-04-23T11:43:11Z

Background

← Older revision		Revision as of 11:43, 23 April 2022
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	==Background==		==Background==
			[[File:Blausen 0817 SmallIntestine Anatomy.png\|thumb\|Small bowel anatomy with surrounding structures.]]
	*Small bowel obstruction without history of surgery or hernia is malignancy until proven otherwise		*Small bowel obstruction without history of surgery or hernia is malignancy until proven otherwise
	*"Never let the sun rise or set on a small bowel obstruction"		*"Never let the sun rise or set on a small bowel obstruction"

Rossdonaldson1: /* Evaluation */

2021-07-07T22:40:22Z

Evaluation

← Older revision		Revision as of 22:40, 7 July 2021
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	==Evaluation==		==Evaluation==
	[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]		[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]
	[[File:SBO plain.png\|thumb[[Small bowel obstruction]]]]		[[File:SBO plain.png\|thumb\|Small bowel obstruction]]
	[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]		[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]
	[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]		[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]

Rossdonaldson1: /* Evaluation */

2021-07-07T22:39:36Z

Evaluation

← Older revision		Revision as of 22:39, 7 July 2021
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	==Evaluation==		==Evaluation==
	[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]		[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]
			[[File:SBO plain.png\|thumb[[Small bowel obstruction]]]]
	[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]		[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]
	[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]		[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]

Rossdonaldson1: /* Evaluation */

2021-07-07T22:37:52Z

Evaluation

← Older revision		Revision as of 22:37, 7 July 2021
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	==Evaluation==		==Evaluation==
	[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]		[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]
			[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]
			[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]
			[[File:PSBOCT.png\|thumb\|A small bowel obstruction as seen on CT.]]
	===Labs===		===Labs===
	*CBC		*CBC
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	***Air in colon or rectum makes complete obstruction less likely (esp if symptoms >24hr)		***Air in colon or rectum makes complete obstruction less likely (esp if symptoms >24hr)
	***If patient does not tolerate upright position left lateral decub abdominal film can substitute		***If patient does not tolerate upright position left lateral decub abdominal film can substitute
	*'''CT A/P with IV contrast'''~~[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]~~		*'''CT A/P with IV contrast'''
	~~[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]~~
	**Consider if plain films are non-diagnostic		**Consider if plain films are non-diagnostic
	**Can show closed-loop obstruction, evidence of ischemia		**Can show closed-loop obstruction, evidence of ischemia

Rossdonaldson1: /* Evaluation */

2021-07-07T22:33:36Z

Evaluation

← Older revision		Revision as of 22:33, 7 July 2021
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	[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]		[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]
	===Labs===		===Labs===
	~~[[File:Peds_SBO.JPG\|thumb\|Peds SBO]]~~
	*CBC		*CBC
	**WBC >20K suggests bowel gangrene, abscess, or peritonitis		**WBC >20K suggests bowel gangrene, abscess, or peritonitis

Rossdonaldson1: /* Evaluation */

2021-07-07T22:33:02Z

Evaluation

← Older revision		Revision as of 22:33, 7 July 2021
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	==Evaluation==		==Evaluation==
	[[File:Upright X-ray demonstrating small bowel obstruction.jpg.\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]		[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]
	===Labs===		===Labs===
	[[File:Peds_SBO.JPG\|thumb\|Peds SBO]]		[[File:Peds_SBO.JPG\|thumb\|Peds SBO]]

Rossdonaldson1: /* Evaluation */

2021-07-07T22:32:33Z

Evaluation

← Older revision		Revision as of 22:32, 7 July 2021
Line 48:		Line 48:

	==Evaluation==		==Evaluation==
			[[File:Upright X-ray demonstrating small bowel obstruction.jpg.\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]
	===Labs===		===Labs===
	[[File:Peds_SBO.JPG\|thumb\|Peds SBO]]		[[File:Peds_SBO.JPG\|thumb\|Peds SBO]]

← Older revision		Revision as of 22:40, 7 July 2021
Line 49:		Line 49:
	==Evaluation==		==Evaluation==
	[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]		[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]
	[[File:SBO plain.png\|thumb[[Small bowel obstruction]]]]		[[File:SBO plain.png\|thumb\|Small bowel obstruction]]
	[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]		[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]
	[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]		[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]

← Older revision		Revision as of 22:39, 7 July 2021
Line 49:		Line 49:
	==Evaluation==		==Evaluation==
	[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]		[[File:Upright X-ray demonstrating small bowel obstruction.jpg\|thumb\|Upright abdominal X-ray demonstrating a small bowel obstruction. Note multiple air fluid levels.]]
			[[File:SBO plain.png\|thumb[[Small bowel obstruction]]]]
	[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]		[[File:SBO_Cai_Maurelus.gif\|thumbnail\|Ultrasound shows dilated, non-compressible loops of bowel with characteristic to-and-fro motion of bowel contents<ref>http://www.thepocusatlas.com/bowel/</ref>]]
	[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]		[[File:SBO.gif\|thumbnail\|Ultrasound shows dilated loops of bowel steep precipice and tumbling feces<ref>http://www.thepocusatlas.com/bowel/</ref>]]