Sandbox: malabsorption: Difference between revisions

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*Positive [[stool culture]]
*Positive [[stool culture]]
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*[[Dehydration]]
*Severe [[dehydration]]
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*[[Hypotension]]
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*Tachycardia
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*
*Positive [[stool culture]]
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*
*[[Azotemia]]
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*
*Decreased [[Turgor|skin turgor]]
*[[Oliguria]]
*[[Renal insufficiency|Renal failure]]
*[[Cramp|Muscle cramps]]
*[[Seizure]]
*[[Somnolence]]
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*[[Cholera toxin]]
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*[[Stool culture]]
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! colspan="2" style="background:#DCDCDC;" align="center" |[[Aeromonas]]
! colspan="2" style="background:#DCDCDC;" align="center" |[[Aeromonas]]

Revision as of 20:29, 18 December 2017

Diarrhea

Abbreviations: GI: Gastrointestinal, CBC: Complete blood count, WBC: White blood cell, RBC: Red blood cell, Plt: Platelet, Hgb: Hemoglobin, ESR: Erythrocyte sedimentation rate, CRP: C–reactive protein, IgE: Immunoglobulin E, IgA: Immunoglobulin A, ETEC: Escherichia coli enteritis, EPEC: Enteropathogenic Escherichia coli, EIEC: Enteroinvasive Escherichia coli, EHEC: Enterohemorrhagic Escherichia coli, EAEC: Enteroaggregative Escherichia coli,

Categories Cause Clinical manifestation Lab findings Extra intestinal findings Cause/Pathogenesis Gold standard diagnosis
Symptoms GI signs
Duration Diarrhea Fever Abdominal pain Weight loss
Stool exam CBC Other lab findings
Acute Chronic Watery Bloody Fatty WBC RBC Ova/Parasite Osmotic gap Other WBC Hgb Plt
Gastrointestinal Crohns disease + + + + ± + + + +
  • Abnormal immune response to self antigens
Ulcerative colitis + + + + + + + + +
  • Abnormal immune response to self antigens
Celiac disease + ± ± + +
Cystic fibrosis + + ± + +
Chronic pancreatitis + + + + +
Bile acid malabsorption + + + +
Microscopic colitis + + + +
Infective colitis + + + + + + + + +
Ischemic colitis + + + + + + + + +
Lactose intolerance + + + +
Irritable bowel syndrome + ± ± ±
  • Diagnosis of exclusion
Infection Bacterial Whipple's disease + + + ± + + ↓/↑
Tropical sprue + + + + + + + +
  • Diagnosis of exclusion
Small bowel bacterial overgrowth + + + + + +
  • Diagnosis of exclusion
Pseudomembranous enterocolitis + + ± + + ± + +
 Campylobacteriosis + + + + + + +
Salmonellosis + + + + + + + +
Shigellosis + + + + + + + ↑/↓
Escherichia coli enteritis ETEC

(Traveler's diarrhea)

+ + + +
EPEC + + + + + + + + +
EIEC + + + + + + +
EHEC + + + + + +
EAEC + + + + + + +
Yersinia enterocolitica + + + + + + +
Vibrio cholera + + + +
Aeromonas + + + + + + + +
Plesiomonas + + + + +
+ +
Mycobacterium avium complex + + + + + + + +
Food poisoning + + ± + + ± + ±
  • History of travel or ingestion of infected food
Virus Norovirus + + + +
  • Clinical diagnosis
Rotavirus + + +
Echovirus + + + +
Adenovirus + + +
CMV colitis + + + ± +
+/– +
  • CD 4 level decreased as it is maily associated with HIV
HIV + + + + +
Hepatitis Hepatitis A + + + + +
Hepatitis E + + + + +
Parasite Entamoeba histolytica + + + + + +
+
Giardia + + + + +
+
Cryptosporidium
+
Microsporidia
+
Isospora + + +
+ + +
Other Parasitic diarrhea
  • aaaa
  • bbbb
+ + + + ±
+ + +
Tumors Carcinoid tumor + + + + + +
VIPoma + + + + + +
  • Primary secretory tumor
  • Blood VIP levels
  • Followed by imaging
Zollinger–Ellison syndrome + + + + + +
Somatostatinoma + + + +
Lymphoma + + + + + + +
  • Primary tumor of GI tract
Colorectal cancer + + + + + + +
Medication/Toxicity Medications + + + ± ± + + ↑/↓
  • Elevated plasma level of drug
  • Inflammation
  • Pseudomembranous colitis
  • Clinical evaluation after discontinuation of the drgs
Factitious diarrhea + + + + + ↑/↓
  • Medications
  • Clinical evaluation after discontinuation of the drgs
Heavy metal ingestion + + + +
  • Elevated plasma heavy metal level
  • Heavy metal ingestion
  • Plasma level of heavy metal
Organophosphate poisoning + + + +
  • Clinical diagnosis
Opium withdrawal + + + +
Iatrogenic Short bowel syndrome + + + + +
Radiation enteritis + + + + + + + + +
Dumping syndrome + + + +
Others Abetalipoproteinemia + + + + +
Hyperthyroidism + + ± + +
Diabetic neuropathy + + + + +
Systemic sclerosis + + ± + + + +
  • Clinical diagnosis
  • Followed by serologic tests