Ischemic colitis differential diagnosis: Difference between revisions

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__NOTOC__
__NOTOC__
{{Ischemic colitis}}
[[Image:Home_logo1.png|right|250px|link=https://www.wikidoc.org/index.php/Ischemic_colitis]]
{{CMG}}; {{AE}} {{HQ}}
{{CMG}}; {{AE}} {{HQ}}


==Overview==
==Overview==
Ischemic colitis must be differentiated from the many other causes of [[abdominal pain]], [[lower gastrointestinal bleeding|rectal bleeding]], and diarrhea such as [[infection]], [[inflammatory bowel disease]], [[diverticulosis]], or [[colon cancer]]. It is also important to differentiate ischemic colitis, which often resolves on its own, from the more immediately life-threatening condition of [[acute mesenteric ischemia]] of the [[small bowel]].
Ischemic colitis must be differentiated from the many other causes of [[abdominal pain]], [[lower gastrointestinal bleeding|rectal bleeding]], and [[diarrhea]] such as [[infection]], [[inflammatory bowel disease]], [[diverticulosis]], or [[colon cancer]]. It is also important to differentiate ischemic colitis, which often resolves on its own, from the more immediately life-threatening condition of [[acute mesenteric ischemia]] of the [[small bowel]].


==Differentiating ischemic colitis from other Diseases==
==Differentiating ischemic colitis from other Diseases==
The differential of ischemic colitis is as follows:
The differential of ischemic colitis is as follows:<ref name="pmid14702426">{{cite journal| author=Thielman NM, Guerrant RL| title=Clinical practice. Acute infectious diarrhea. | journal=N Engl J Med | year= 2004 | volume= 350 | issue= 1 | pages= 38-47 | pmid=14702426 | doi=10.1056/NEJMcp031534 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14702426  }} </ref><ref name="pmid15537721">{{cite journal| author=Khan AM, Faruque AS, Hossain MS, Sattar S, Fuchs GJ, Salam MA| title=Plesiomonas shigelloides-associated diarrhoea in Bangladeshi children: a hospital-based surveillance study. | journal=J Trop Pediatr | year= 2004 | volume= 50 | issue= 6 | pages= 354-6 | pmid=15537721 | doi=10.1093/tropej/50.6.354 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15537721  }} </ref>
* The symptoms of colitis such as [[diarrhea]], especially bloody diarrhea, and [[abdominal pain]] are seen are seen in all forms of colitis.
* The symptoms of colitis such as [[diarrhea]], especially [[Dysentery|bloody diarrhea]], and [[abdominal pain]] are seen in all forms of [[colitis]].
* The table below lists the differential diagnosis of common causes of colitis:<ref name="pmid14702426">{{cite journal| author=Thielman NM, Guerrant RL| title=Clinical practice. Acute infectious diarrhea. | journal=N Engl J Med | year= 2004 | volume= 350 | issue= 1 | pages= 38-47 | pmid=14702426 | doi=10.1056/NEJMcp031534 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14702426  }} </ref><ref name="pmid15537721">{{cite journal| author=Khan AM, Faruque AS, Hossain MS, Sattar S, Fuchs GJ, Salam MA| title=Plesiomonas shigelloides-associated diarrhoea in Bangladeshi children: a hospital-based surveillance study. | journal=J Trop Pediatr | year= 2004 | volume= 50 | issue= 6 | pages= 354-6 | pmid=15537721 | doi=10.1093/tropej/50.6.354 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15537721  }} </ref>
* The table below lists the [[differential diagnosis]] of common causes of colitis:
{|
{|
|- style="background: #4479BA; color: #FFFFFF; text-align: center;"
|- style="background: #4479BA; color: #FFFFFF; text-align: center;"
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| style="background: #F5F5F5; padding: 5px;" |
| style="background: #F5F5F5; padding: 5px;" |
|-
|-
| style="background: #DCDCDC; padding: 5px; text-align: center;" |Chemical colitis
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Chemical colitis]]
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | ++
| style="background: #F5F5F5; padding: 5px;" | ++
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| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
|-
|-
| style="background: #DCDCDC; padding: 5px; text-align: center;" |Infectious colitis
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Infectious colitis]]
| style="background: #F5F5F5; padding: 5px;" | ++
| style="background: #F5F5F5; padding: 5px;" | ++
| style="background: #F5F5F5; padding: 5px;" | ++
| style="background: #F5F5F5; padding: 5px;" | ++
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| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
|-
|-
| style="background: #DCDCDC; padding: 5px; text-align: center;" |Radiation colitis
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Radiation colitis]]
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | ++
| style="background: #F5F5F5; padding: 5px;" | ++
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| style="background: #F5F5F5; padding: 5px;" |
| style="background: #F5F5F5; padding: 5px;" |
|-
|-
| style="background: #DCDCDC; padding: 5px; text-align: center;" |Ischemic colitis
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Ischemic colitis]]
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
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| style="background: #F5F5F5; padding: 5px;" |
| style="background: #F5F5F5; padding: 5px;" |
|-
|-
| style="background: #DCDCDC; padding: 5px; text-align: center;" |Drug-induced colitis
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Drug-induced colitis]]
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
| style="background: #F5F5F5; padding: 5px;" | +
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|}
|}


=== The differential diagnosis of abdominal pain are: ===
{| align="center"
{| align="center"
|-
|-
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|-
|-
| colspan="2" rowspan="8" style="padding: 5px 5px; background: #DCDCDC;" align="center" | Common causes of  
| colspan="2" rowspan="8" style="padding: 5px 5px; background: #DCDCDC;" align="center" | Common causes of  
Peritonitis
[[Peritonitis]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Spontaneous bacterial peritonitis]]  
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Spontaneous bacterial peritonitis]]  
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Diffuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |−
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |−
|−
|−
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* Culture: Positive for single organism  
* Culture: Positive for single organism  
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Ultrasound for evaluation of liver cirrhosis
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Ultrasound]] for evaluation of [[Cirrhosis|liver cirrhosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
|-
|-
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | [[Diffuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |−
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |−
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Upper GI [[endoscopy]] for diagnosis
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Upper GI [[endoscopy]] for diagnosis
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | Acute suppurative cholangitis
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | Acute [[Pus|suppurative]] [[cholangitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | Acute cholangitis  
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Cholangitis|Acute cholangitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
|−
|−
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Abnormal [[LFT]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Abnormal [[LFT]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Ultrasound shows [[biliary]] dilatation
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Ultrasound]] shows [[biliary]] dilatation
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Biliary drainage ([[Endoscopic retrograde cholangiopancreatography|ERCP]]) + IV antibiotics
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Biliary drainage ([[Endoscopic retrograde cholangiopancreatography|ERCP]]) + IV antibiotics
|-
|-
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* [[Hyperbilirubinemia]]
* [[Hyperbilirubinemia]]
* [[Leukocytosis]]
* [[Leukocytosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Ultrasound shows gallstone and evidence of inflammation
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Ultrasound]] shows [[Gallstone disease|gallstone]] and evidence of [[inflammation]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Murphy's sign|Murphy’s sign]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Murphy's sign|Murphy’s sign]]
|-
|-
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Increased [[amylase]] / [[lipase]]  
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Increased [[amylase]] / [[lipase]]  
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Ultrasound shows evidence of [[inflammation]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Ultrasound]] shows evidence of [[inflammation]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Pain radiation to back
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Pain]] radiation to back
|-
|-
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Acute appendicitis]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Acute appendicitis]]
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hypoactive
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hypoactive
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Leukocytosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Leukocytosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |CT scan and ultrasound shows evidence of inflammation
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Computed tomography|CT scan]] and [[ultrasound]] shows evidence of [[inflammation]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
|-
|-
| colspan="2" rowspan="5" style="padding: 5px 5px; background: #DCDCDC;" align="center" | Hollow Viscous Obstruction  
| colspan="2" rowspan="5" style="padding: 5px 5px; background: #DCDCDC;" align="center" | Hollow Viscous Obstruction  
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Small intestine obstruction
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Small intestine]] [[obstruction]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |−
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |−
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Diffuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |−
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |−
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Diffuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hypoactive
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hypoactive
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Leukocytosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Leukocytosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |CT scan and [[Abdominal x-ray|abdominal X ray]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Computed tomography|CT scan]] and [[Abdominal x-ray|abdominal X ray]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Nausea and vomiting|Nausea & vomiting]] associated with [[constipation]], [[Abdominal distension|abdominal distention]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Nausea and vomiting|Nausea & vomiting]] associated with [[constipation]], [[Abdominal distension|abdominal distention]]
|-
|-
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Increased [[bilirubin]] and [[alkaline phosphatase]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Increased [[bilirubin]] and [[alkaline phosphatase]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Ultrasound
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Ultrasound]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Nausea and vomiting|Nausea & vomiting]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Nausea and vomiting|Nausea & vomiting]]
|-
|-
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Hematuria]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Hematuria]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |CT scan and ultrasound
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Computed tomography|CT scan]] and [[ultrasound]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Colicky [[abdominal pain]] associated with [[Nausea and vomiting|nausea & vomiting]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Colicky [[abdominal pain]] associated with [[Nausea and vomiting|nausea & vomiting]]
|-
|-
| rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Vascular Disorders
| rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Vascular Disorders
| rowspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Ischemic causes  
| rowspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Ischemia|Ischemic]] causes  
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Mesenteric ischemia]]
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Mesenteric ischemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |±
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |±
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hyperactive
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hyperactive
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Leukocytosis]] and [[lactic acidosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Leukocytosis]] and [[lactic acidosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |CT scan
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Computed tomography|CT scan]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Nausea and vomiting|Nausea & vomiting]], normal physical examination
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Nausea and vomiting|Nausea & vomiting]], normal physical examination
|-
|-
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |±
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |±
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Diffuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hyperactive then absent
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hyperactive then absent
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Leukocytosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Leukocytosis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |CT scan
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Computed tomography|CT scan]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Nausea and vomiting|Nausea & vomiting]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Nausea and vomiting|Nausea & vomiting]]
|-
|-
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Diffuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
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| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Normal
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |CT scan  
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Computed tomography|CT scan]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Unstable hemodynamics
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Unstable [[hemodynamics]]
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Intra-abdominal or [[retroperitoneal hemorrhage]]
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Intra-abdominal or [[retroperitoneal hemorrhage]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Diffuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
Line 364: Line 365:
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Anemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Anemia]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |CT scan
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Computed tomography|CT scan]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |History of [[trauma]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |History of [[trauma]]
|-
|-
| rowspan="5" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Gynaecological Causes
| rowspan="5" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Gynaecological Causes
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Fallopian tube
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Fallopian tube]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Salpingitis|Acute salpingitis]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Salpingitis|Acute salpingitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | +
Line 382: Line 383:
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Vaginal discharge]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Vaginal discharge]]
|-
|-
| rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Ovarian cyst]] complications and endometrial disease
| rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Ovarian cyst]] complications and [[Endometrium|endometrial]] disease
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Torsion of the cyst
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Torsion of the cyst
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
Line 393: Line 394:
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Increased [[ESR]] and [[CRP]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Increased [[ESR]] and [[CRP]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Ultrasound
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Ultrasound]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Sudden onset sever pain with [[nausea and vomiting]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Sudden onset sever pain with [[nausea and vomiting]]
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Endometriosis
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Endometriosis]]
| -
| -
|
|
Line 420: Line 421:
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Increased [[ESR]] and [[CRP]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Increased [[ESR]] and [[CRP]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Ultrasound
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Ultrasound]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Sudden onset sever pain with [[nausea and vomiting]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Sudden onset sever pain with [[nausea and vomiting]]
|-
|-
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Pregnancy
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pregnancy]]
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Ruptured [[ectopic pregnancy]]
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |Ruptured [[ectopic pregnancy]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
Line 434: Line 435:
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Positive [[pregnancy test]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Positive [[pregnancy test]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Ultrasound
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Ultrasound]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |History of missed period and [[vaginal bleeding]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |History of missed period and [[vaginal bleeding]]
|-
|-
| rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Functional
| rowspan="4" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Functional
| colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Irritable Bowel Syndrome
| colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Irritable bowel syndrome|Irritable Bowel Syndrome]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | -
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Diffuse]]
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |<nowiki>-</nowiki>
| align="left" style="padding: 5px 5px; background: #F5F5F5;" | -
| align="left" style="padding: 5px 5px; background: #F5F5F5;" | -
Line 463: Line 464:
{{Reflist|2}}
{{Reflist|2}}


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Latest revision as of 23:13, 8 February 2019

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Hamid Qazi, MD, BSc [2]

Overview

Ischemic colitis must be differentiated from the many other causes of abdominal pain, rectal bleeding, and diarrhea such as infection, inflammatory bowel disease, diverticulosis, or colon cancer. It is also important to differentiate ischemic colitis, which often resolves on its own, from the more immediately life-threatening condition of acute mesenteric ischemia of the small bowel.

Differentiating ischemic colitis from other Diseases

The differential of ischemic colitis is as follows:[1][2]

Diseases History and Symptoms Physical Examination Laboratory findings
Diarrhea Rectal bleeding Abdominal pain Atopy Dehydration Fever Hypotension Malnutrition Blood in stool (frank or occult) Microorganism in stool Pseudomembranes on endoscopy
Allergic Colitis + ++ + ++ ++
Chemical colitis + ++ ++ + + ++ +
Infectious colitis ++ ++ ++ +++ +++ ++ + ++ ++ +
Radiation colitis + ++ + + + ++
Ischemic colitis + + ++ + + + + ++
Drug-induced colitis + + ++ + ++ +

The differential diagnosis of abdominal pain are:

Classification of acute abdomen based

on etiology

Presentation Clinical findings Diagnosis Comments
Fever Rigors and Chills Abdominal Pain Jaundice Hypotension Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging
Common causes of

Peritonitis

Spontaneous bacterial peritonitis + Diffuse Hypoactive
  • Ascitic fluid PMN>250 cells/mm³
  • Culture: Positive for single organism
Ultrasound for evaluation of liver cirrhosis -
Perforated gastric and duodenal ulcer + Diffuse + + + N
  • Ascitic fluid
    • LDH > serum LDH
    • Glucose < 50mg/dl
    • Total protein > 1g/dl
Air under diaphragm in upright CXR Upper GI endoscopy for diagnosis
Acute suppurative cholangitis + + RUQ + + + + ±
Acute cholangitis + RUQ + N Abnormal LFT Ultrasound shows biliary dilatation Biliary drainage (ERCP) + IV antibiotics
Acute cholecystitis + RUQ + Hypoactive Ultrasound shows gallstone and evidence of inflammation Murphy’s sign
Acute pancreatitis + Epigastric ± N Increased amylase / lipase Ultrasound shows evidence of inflammation Pain radiation to back
Acute appendicitis + RLQ + + Hypoactive Leukocytosis Ultrasound shows evidence of inflammation Nausea & vomiting, decreased appetite
Acute diverticulitis + LLQ ± + Hypoactive Leukocytosis CT scan and ultrasound shows evidence of inflammation
Hollow Viscous Obstruction Small intestine obstruction Diffuse + ± Hyperactive then absent Leukocytosis Abdominal X ray Nausea & vomiting associated with constipation, abdominal distention
Gall stone disease/Cholelithiasis ±
Volvulus - Diffuse - + - Hypoactive Leukocytosis CT scan and abdominal X ray Nausea & vomiting associated with constipation, abdominal distention
Biliary colic - RUQ + - - N Increased bilirubin and alkaline phosphatase Ultrasound Nausea & vomiting
Renal colic - Flank pain - - - N Hematuria CT scan and ultrasound Colicky abdominal pain associated with nausea & vomiting
Vascular Disorders Ischemic causes Mesenteric ischemia ± Periumbilical - - - Hyperactive Leukocytosis and lactic acidosis CT scan Nausea & vomiting, normal physical examination
Acute ischemic colitis ± Diffuse - + + Hyperactive then absent Leukocytosis CT scan Nausea & vomiting
Hemorrhagic causes Ruptured abdominal aortic aneurysm - Diffuse - - - N Normal CT scan Unstable hemodynamics
Intra-abdominal or retroperitoneal hemorrhage - Diffuse - - - N Anemia CT scan History of trauma
Gynaecological Causes Fallopian tube Acute salpingitis + LLQ/ RLQ ± ± N Leukocytosis Pelvic ultrasound Vaginal discharge
Ovarian cyst complications and endometrial disease Torsion of the cyst - RLQ / LLQ - ± ± N Increased ESR and CRP Ultrasound Sudden onset sever pain with nausea and vomiting
Endometriosis - RLQ/LLQ - +/- +/- N Normal Laproscopy Menstrual-associated symptoms, pelvic

symptoms

Cyst rupture - RLQ / LLQ - +/- +/- N Increased ESR and CRP Ultrasound Sudden onset sever pain with nausea and vomiting
Pregnancy Ruptured ectopic pregnancy - RLQ / LLQ - - - N Positive pregnancy test Ultrasound History of missed period and vaginal bleeding
Functional Irritable Bowel Syndrome - Diffuse - - - - N

Clinical diagnosis

-

References

  1. Thielman NM, Guerrant RL (2004). "Clinical practice. Acute infectious diarrhea". N Engl J Med. 350 (1): 38–47. doi:10.1056/NEJMcp031534. PMID 14702426.
  2. Khan AM, Faruque AS, Hossain MS, Sattar S, Fuchs GJ, Salam MA (2004). "Plesiomonas shigelloides-associated diarrhoea in Bangladeshi children: a hospital-based surveillance study". J Trop Pediatr. 50 (6): 354–6. doi:10.1093/tropej/50.6.354. PMID 15537721.

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