Ileus differential diagnosis: Difference between revisions
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==Differential Diagnosis== | ==Differential Diagnosis== | ||
'''The following table outlines the major differential diagnoses of abdominal pain.''' | |||
<span style="font-size:85%">'''Abbreviations:''' | |||
'''[[RUQ]]'''= Right upper quadrant of the abdomen, '''LUQ'''= Left upper quadrant, '''LLQ'''= Left lower quadrant, '''RLQ'''= Right lower quadrant, '''LFT'''= Liver function test, SIRS= [[Systemic inflammatory response syndrome]], '''[[ERCP]]'''= [[Endoscopic retrograde cholangiopancreatography]], '''IV'''= Intravenous, '''N'''= Normal, '''AMA'''= Anti mitochondrial antibodies, '''[[LDH]]'''= [[Lactate dehydrogenase]], '''GI'''= Gastrointestinal, '''CXR'''= Chest X ray, '''IgA'''= [[Immunoglobulin A]], '''IgG'''= [[Immunoglobulin G]], '''IgM'''= [[Immunoglobulin M]], '''CT'''= [[Computed tomography]], '''[[PMN]]'''= Polymorphonuclear cells, '''[[ESR]]'''= [[Erythrocyte sedimentation rate]], '''[[CRP]]'''= [[C-reactive protein]], TS= [[Transferrin saturation]], SF= Serum [[Ferritin]], SMA= [[Superior mesenteric artery]], SMV= [[Superior mesenteric vein]], ECG= [[Electrocardiogram]], US = [[Ultrasound]]</span> | |||
{| align="center" | |||
|- | |||
| | |||
{| style="border: 0px; font-size: 90%; margin: 3px;" align="center" | |||
! rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Disease | |||
| colspan="13" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Clinical manifestations''' | |||
! colspan="2" rowspan="2" style="background:#4479BA; color: #FFFFFF;" align="center" |Diagnosis | |||
! rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Comments | |||
|- | |||
| colspan="9" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Symptoms''' | |||
! colspan="4" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" | Signs | |||
|- | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal Pain | |||
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" | Fever | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Rigors and chills | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Nausea or vomiting | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Jaundice | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Constipation | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |GI bleeding | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hypo- | |||
tension | |||
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" | Guarding | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Rebound Tenderness | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bowel sounds | |||
! colspan="1" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" | Lab Findings | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Imaging | |||
|- | |||
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Small bowel obstruction]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Diffuse | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hyperactive then absent | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* [[Leukocytosis]] with left shift indicates complications | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |[[Abdominal X-ray|Abdominal X ray]] | |||
* Dilated loops of bowel with air fluid levels | |||
* Gasless abdomen | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* "Target sign"– , indicative of intussusception | |||
* Venous cut-off sign" – suggests thrombosis | |||
|- | |||
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Gastric outlet obstruction|Gastric outlet obstruction]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Epigastric]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | <nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hyperactive | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* [[Complete blood count]] | |||
* [[Basic metabolic panel]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* [[Abdominal x-ray]]- air fluid level | |||
* Barium [[Upper GI series|upper GI studies]]- narrowed pylorus | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* Succussion splash | |||
|- | |||
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Gastroparesis]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Epigastric]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |− | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Hyperactive/hypoactive | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
*[[Hemoglobin]] | |||
*Fasting plasma glucose | |||
*Serum total protein, albumin, [[thyrotropin]] ([[Thyroid-stimulating hormone|TSH]]), and an [[antinuclear antibody]] (ANA) titer | |||
*[[HbA1c]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
*Scintigraphic gastric emptying | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
*Succussion splash | |||
*Single photon emission computed tomography (SPECT) | |||
*Full thickness gastric and small intestinal biopsy | |||
|- | |||
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Gastrointestinal perforation]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Diffuse | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>-</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |− | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |− | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hyperactive/hypoactive | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* WBC> 10,000 | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* Air under [[diaphragm]] in upright [[CXR]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* [[Hamman's sign]] | |||
|- | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Disease | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal Pain | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Fever | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Rigors and chills | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Nausea or vomiting | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Jaundice | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Constipation | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Diarrhea | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Weight loss | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |GI bleeding | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Hypo- | |||
tension | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Guarding | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Rebound Tenderness | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Bowel sounds | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Lab Findings | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Imaging | |||
! style="background:#4479BA; color: #FFFFFF;" align="center" |Comments | |||
|- | |||
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Acute cholecystitis|Acute cholecystitis]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | [[RUQ]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |− | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |− | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hypoactive | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* [[Hyperbilirubinemia]] | |||
* [[Leukocytosis]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Ultrasound shows: | |||
* Gallstone | |||
* Inflammation | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* [[Murphy's sign|Murphy’s sign]] | |||
|- | |||
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Acute pancreatitis]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | [[Epigastric]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |− | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| 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" | | |||
* Ultrasound shows evidence of [[inflammation]] | |||
* CT scan shows severity of pancreatitis | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* Pain radiation to back | |||
|- | |||
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Chronic pancreatitis]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[Epigastric]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |− | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |N | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* Increased [[amylase]] / [[lipase]] | |||
* Increased stool fat content | |||
* Pancreatic function test | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |CT scan | |||
* Calcification | |||
* Pseudocyst | |||
* Dilation of main pancreatic duct | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* Predisposes to pancreatic cancer | |||
|- | |||
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Liver abscess]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |RUQ | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |<nowiki>+</nowiki> | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Normal or hypoactive | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* CBC | |||
* Blood cultures | |||
* Abnormal [[Liver function test|liver function tests]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* US | |||
* CT | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
|- | |||
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Spontaneous bacterial peritonitis]] | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Diffuse | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Positive in cirrhotic patients | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | − | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | ± | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | + | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" |Hypoactive | |||
| style="padding: 5px 5px; background: #F5F5F5;" align="left" | | |||
* Ascitic fluid [[PMN]]>250 cells/mm<small>³</small> | |||
* 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" | | |||
|- | |||
|} | |||
|} | |||
==References== | ==References== |
Revision as of 19:57, 24 January 2018
Ileus Microchapters |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:
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Overview
Differential Diagnosis
The following table outlines the major differential diagnoses of abdominal pain.
Abbreviations: RUQ= Right upper quadrant of the abdomen, LUQ= Left upper quadrant, LLQ= Left lower quadrant, RLQ= Right lower quadrant, LFT= Liver function test, SIRS= Systemic inflammatory response syndrome, ERCP= Endoscopic retrograde cholangiopancreatography, IV= Intravenous, N= Normal, AMA= Anti mitochondrial antibodies, LDH= Lactate dehydrogenase, GI= Gastrointestinal, CXR= Chest X ray, IgA= Immunoglobulin A, IgG= Immunoglobulin G, IgM= Immunoglobulin M, CT= Computed tomography, PMN= Polymorphonuclear cells, ESR= Erythrocyte sedimentation rate, CRP= C-reactive protein, TS= Transferrin saturation, SF= Serum Ferritin, SMA= Superior mesenteric artery, SMV= Superior mesenteric vein, ECG= Electrocardiogram, US = Ultrasound
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