Abdominal pain and weight loss: Difference between revisions

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__NOTOC__
{{Abdominal pain}}
{{CMG}};{{AE}}{{IQ}}{{ADS}}
<span style="font-size:85%">'''Abbreviations:'''
<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]]</span>
'''[[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]]</span>
 
<small><small>
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{| style="border: 0px; font-size: 90%; margin: 3px;" align="center"
! colspan="3" rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Classification of pain in the abdomen based on etiology
! rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Disease
! rowspan="3" style="background:#4479BA; color: #FFFFFF;" align="center" |Disease
| colspan="13" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Clinical manifestations'''
| colspan="13" rowspan="1" style="background:#4479BA; color: #FFFFFF;" align="center" |'''Clinical manifestations'''
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! style="background:#4479BA; color: #FFFFFF;" align="center" |Imaging
! style="background:#4479BA; color: #FFFFFF;" align="center" |Imaging
|-
|-
! rowspan="25" |Abdominal causes
! rowspan="21" |Inflammatory causes
! rowspan="2" |Pancreato-biliary disorders
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Chronic pancreatitis]]
| 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" |[[Epigastric]]
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* [[Panniculitis|Pancreatic panniculitis]]
* [[Panniculitis|Pancreatic panniculitis]]
|-
|-
! colspan="1" rowspan="6" style="padding: 5px 5px; background: #DCDCDC;" align="center" | Gastric causes
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Peptic Ulcer Disease|Peptic ulcer disease]]
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" | [[Peptic Ulcer Disease|Peptic ulcer disease]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Diffuse
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* Postgastrectomy
* Postgastrectomy
|-
|-
! rowspan="8" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Intestinal causes
! style="background:#4479BA; color: #FFFFFF;" align="center" |Disease
! style="background:#4479BA; color: #FFFFFF;" align="center" |Disease
! style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal Pain
! style="background:#4479BA; color: #FFFFFF;" align="center" |Abdominal Pain
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* PILLCAM 2: A colon capsule for CRC screening may be used in patients with an incomplete colonoscopy who lacks obstruction
* PILLCAM 2: A colon capsule for CRC screening may be used in patients with an incomplete colonoscopy who lacks obstruction
|-
|-
! rowspan="5" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Hepatic causes
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hepatitis|Viral hepatitis]]
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Hepatitis|Viral hepatitis]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[RUQ]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[RUQ]]
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* Cruveilhier- Baumgarten murmur
* Cruveilhier- Baumgarten murmur
|-
|-
! colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" | Hollow Viscous Obstruction
| colspan="1" rowspan="1" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Small bowel obstruction
| 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" |Diffuse
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* Venous cut-off sign" –  suggests thrombosis
* Venous cut-off sign" –  suggests thrombosis
|-
|-
! rowspan="3" style="padding: 5px 5px; background: #DCDCDC;" align="center" |Vascular Disorders
! rowspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |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="center" |Periumbilical
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |Periumbilical
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* May lead to shock
* May lead to shock
|-
|-
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |Hemorrhagic causes
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Ruptured abdominal aortic aneurysm]]
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Ruptured abdominal aortic aneurysm]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Diffuse
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | Diffuse
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* Unstable hemodynamics
* Unstable hemodynamics
|-
|-
! style="background:#4479BA; color: #FFFFFF;" align="center" |Extra-abdominal causes
| style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pleural empyema]]
! style="padding: 5px 5px; background: #DCDCDC;" align="center" |Pulmonary disorders
| colspan="2" style="padding: 5px 5px; background: #DCDCDC;" align="center" |[[Pleural empyema]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[RUQ]]/[[Epigastric]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" |[[RUQ]]/[[Epigastric]]
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
| style="padding: 5px 5px; background: #F5F5F5;" align="center" | +
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<small></small>

Latest revision as of 17:24, 25 January 2019

Abdominal pain Microchapters

Home

Patient Information

Overview

Classification

Pathophysiology

Causes

Diffuse Abdominal Pain
Left Upper Quadrant
Left Flank
Left Lower Quadrant
Epigastric Quadrant
Umbilical Region
Pelvic Region
Right Upper Quadrant
Right Flank
Right Lower Quadrant
Intraperitoneal
Extraperitoneal

Differentiating Abdominal pain from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

X Ray

CT

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Abdominal pain On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Google Images

American Roentgen Ray Society Images of Abdominal pain

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Abdominal pain

CDC on Abdominal pain

Abdominal pain in the news

Blogs on Abdominal pain

Directions to Hospitals Treating Abdominal pain

Risk calculators and risk factors for Abdominal pain

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Iqra Qamar M.D.[2]Amandeep Singh M.D.[3]

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

Disease Clinical manifestations Diagnosis Comments
Symptoms Signs
Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo-

tension

Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging
Chronic pancreatitis Epigastric ± ± + + N
  • Increased amylase / lipase
  • Increased stool fat content
  • Pancreatic function test
CT scan
  • Calcification
  • Pseudocyst
  • Dilation of main pancreatic duct
  • Predisposes to pancreatic cancer
Pancreatic carcinoma Epigastric + + + + N

Skin manifestations may include:

Peptic ulcer disease Diffuse ± + + Positive if perforated Positive if perforated Positive if perforated N
  • Ascitic fluid
    • LDH > serum LDH
    • Glucose < 50mg/dl
    • Total protein > 1g/dl
Disease Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo-

tension

Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Comments
Gastritis Epigastric ± + Positive in chronic gastritis + N
Gastric outlet obstruction Epigastric ± + Hyperactive
  • Succussion splash
Gastroparesis Epigastric + + ± Hyperactive/hypoactive
  • Hemoglobin
  • Fasting plasma glucose
  • Serum total protein, albumin, thyrotropin (TSH), and an antinuclear antibody (ANA) titer
  • HbA1c
  • Scintigraphic gastric emptying
  • Succussion splash
  • Single photon emission computed tomography (SPECT)
  • Full thickness gastric and small intestinal biopsy
Dumping syndrome Lower and then diffuse + + + + Hyperactive
  • Glucose challenge test
  • Hydrogen breath test
  • Upper GI series
  • Gastric emptying study
  • Postgastrectomy
Disease Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo-

tension

Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Comments
Inflammatory bowel disease Diffuse ± ± + + + Normal or hyperactive

Extra intestinal findings:

Irritable bowel syndrome Diffuse ± ± + N Normal Normal Symptomatic treatment
Whipple's disease Diffuse ± ± + + ± N Endoscopy is used to confirm diagnosis.

Images used to find complications

Extra intestinal findings:
Disease Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo-

tension

Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Comments
Tropical sprue Diffuse + + + N Barium studies:
  • Dilation and edema of mucosal folds
Celiac disease Diffuse + + Hyperactive US:
  • Bull’s eye or target pattern
  • Pseudokidney sign
  • Gluten allergy
Colon carcinoma Diffuse/localized ± ± + + ±
  • Normal or hyperactive if obstruction present
  • CBC
  • Carcinoembryonic antigen (CEA)
  • Colonoscopy
  • Flexible sigmoidoscopy
  • Barium enema
  • CT colonography 
  • PILLCAM 2: A colon capsule for CRC screening may be used in patients with an incomplete colonoscopy who lacks obstruction
Viral hepatitis RUQ + + + Positive in Hep A and E + Positive in fulminant hepatitis Positive in acute + N
  • Abnormal LFTs
  • Viral serology
  • US
  • Hep A and E have fecal-oral route of transmission
  • Hep B and C transmits via blood transfusion and sexual contact.
Liver abscess RUQ + + + + ± + + + ± Normal or hypoactive
  • US
  • CT
Hepatocellular carcinoma/Metastasis RUQ + + +
  • Normal
  • Hyperactive if obstruction present
  • US
  • CT
  • Liver biopsy

Other symptoms:

Disease Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo-

tension

Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Comments
Cirrhosis RUQ + + + + N US
  • Stigmata of liver disease
  • Cruveilhier- Baumgarten murmur
Small bowel obstruction Diffuse + + + + + + ± Hyperactive then absent Abdominal X ray
  • Dilated loops of bowel with air fluid levels
  • Gasless abdomen
  • "Target sign"– , indicative of intussusception
  • Venous cut-off sign" – suggests thrombosis
Mesenteric ischemia Periumbilical Positive if bowel becomes gangrenous + + + + Positive if bowel becomes gangrenous Positive if bowel becomes gangrenous Hyperactive to absent CT angiography
  • SMA or SMV thrombosis
  • Also known as abdominal angina that worsens with eating
Acute ischemic colitis Diffuse + ± + + + + + + + Hyperactive then absent Abdominal x-ray
  • Distension and pneumatosis

CT scan

  • Double halo appearance, thumbprinting
  • Thickening of bowel
  • May lead to shock
Ruptured abdominal aortic aneurysm Diffuse ± + + + + N
  • Focused Assessment with Sonography in Trauma (FAST) 
  • Unstable hemodynamics
Pleural empyema RUQ/Epigastric + ± + N Chest X-ray
  • Pleural opacity
  • Localization of effusion
Physical examination