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__NOTOC__ | |||
{{Search infobox}} | {{Search infobox}} | ||
{{CMG}} | {{CMG}} {{AE}} {{LRO}} | ||
==Overview== | |||
'''Occult blood''' is blood in the feces in amounts that cannot be seen by the eye however it can be detected through tests. | |||
==Causes<ref>Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:77 ISBN 1591032016</ref><ref>Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:68 ISBN 140510368X</ref>== | |||
<div style="-webkit-user-select: none;"> | |||
===Life Threatening Causes=== | |||
*[[Carcinoma ]] | |||
*[[Erosive gastritis]] | |||
*[[Gastric carcinoma]] | |||
*[[Gastrointestinal trauma]] | |||
*[[Gastrointestinal tumor]] | |||
*[[Infections]] | |||
*[[Neoplasia]] | |||
*[[Portal hypertension]] | |||
*[[Tuberculous enterocolitis]] | |||
== | ===Common Causes=== | ||
*[[Anal fissures ]] | |||
*[[Angiodysplasia of the colon]] | |||
*[[Angioectasia]] | |||
*[[Aortoenteric fistula]] | |||
*[[Cameron lesions]] | |||
*[[Celiac sprue]] | |||
*[[Colon polyps]] | |||
*[[Crohn's disease]] | |||
*[[Dieulafoy lesions]] | |||
*[[Diverticula]] | |||
*[[Duodenal ulcer]] | |||
*[[Erosive gastritis]] | |||
*[[Esophageal varices]] | |||
*[[Gastric antral vascular ectasia]] | |||
*[[Gastric carcinoma]] | |||
*[[Gastric ulcer]] | |||
*[[Gastrointestinal trauma]] | |||
*[[Gastrointestinal tumor]] | |||
*[[Hemorrhoids ]] | |||
*[[Hiatal hernia]] | |||
*[[Inflammatory bowel disease]] | |||
*[[Intestinal polyposis]] | |||
*[[Meckel’s diverticulum]] | |||
*[[Oropharyngeal]] | |||
*[[Plummer-vinson syndrome]] | |||
*[[Reflux esophagitis]] | |||
*[[Small bowel varices]] | |||
*[[Ulcerative colitis]] | |||
*[[Vascular ectasia]] | |||
*[[Whipple disease]] | |||
===Causes by Organ System=== | |||
{|style="width:80%; height:100px" border="1" | |||
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" |'''Cardiovascular''' | |||
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Angiodysplasia of the colon]], [[Arteriovenous malformation]], [[Gastric antral vascular ectasia]], [[Malignant atrophic papulosis]], [[Portal hypertension]], [[Vascular ectasia]] | |||
|- | |||
|bgcolor="LightSteelBlue"| '''Chemical/Poisoning''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Dental''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Dermatologic''' | |||
|bgcolor="Beige"| [[Hereditary hemorrhagic telangiectasia ]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Drug Side Effect''' | |||
|bgcolor="Beige"| [[Nsaids]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Ear Nose Throat''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Endocrine''' | |||
|bgcolor="Beige"| [[Amyloidosis]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Environmental''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Gastroenterologic''' | |||
|bgcolor="Beige"| [[Anal fissures ]], [[Angiodysplasia of the colon]], [[Angioectasia]], [[Aortoenteric fistula]], [[Cameron lesions]], [[Celiac sprue]], [[Colon polyps]], [[Crohn's disease]], [[Dieulafoy lesions]], [[Diverticula]], [[Duodenal ulcer]], [[Erosive gastritis]], [[Esophageal varices]], [[Gastric antral vascular ectasia]], [[Gastric carcinoma]], [[Gastric ulcer]], [[Gastrointestinal trauma]], [[Gastrointestinal tumor]], [[Hemorrhoids ]], [[Hiatal hernia]], [[Inflammatory bowel disease]], [[Intestinal polyposis]], [[Meckel’s diverticulum]], [[Oropharyngeal]], [[Plummer-vinson syndrome]], [[Reflux esophagitis]], [[Small bowel varices]], [[Ulcerative colitis]], [[Vascular ectasia]], [[Whipple disease]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Genetic''' | |||
|bgcolor="Beige"| [[Ehlers-danlos syndrome]], [[Meckel’s diverticulum]], [[Pseudoxanthoma elasticum]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Hematologic''' | |||
|bgcolor="Beige"| [[Epistaxis]], [[Hemangiomas]], [[Hematobilia]], [[Hemoptysis]], [[Hereditary hemorrhagic telangiectasia ]], [[Plummer-vinson syndrome]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Iatrogenic''' | |||
|bgcolor="Beige"| [[Gm-csf therapy]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Infectious Disease''' | |||
|bgcolor="Beige"| [[Amebiasis]], [[Ascariasis]], [[Hemosuccus entericus]], [[Hookworm]], [[Kaposi sarcoma ]], [[Strongyloidiasis]], [[Tuberculous enterocolitis]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Musculoskeletal/Orthopedic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Neurologic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Nutritional/Metabolic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Obstetric/Gynecologic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Oncologic''' | |||
|bgcolor="Beige"| [[Blue rubber bleb nevus syndrome]], [[Carcinoma ]], [[Colon polyps]], [[Gastric carcinoma]], [[Gastrointestinal tumor]], [[Hemangiomas]], [[Inherited polyposis syndromes ]], [[Kaposi sarcoma ]], [[Mass lesions]], [[Neoplasia]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Ophthalmologic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Overdose/Toxicity''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Psychiatric''' | |||
|bgcolor="Beige"| [[Factitious]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Pulmonary''' | |||
|bgcolor="Beige"| [[Hemoptysis]], [[Loeffler's syndrome]], [[Tuberculous enterocolitis]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Renal/Electrolyte''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Rheumatology/Immunology/Allergy''' | |||
|bgcolor="Beige"| [[Amyloidosis]], [[Celiac sprue]], [[Crohn's disease]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Sexual''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Trauma''' | |||
|bgcolor="Beige"| [[Anal fissures ]], [[Cameron lesions]], [[Dieulafoy lesions]], [[Fissures]], [[Gastrointestinal trauma]], [[Hemorrhoids ]], [[Hiatal hernia]], [[Prolonged running]], [[Ulcers]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Urologic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Miscellaneous''' | |||
|bgcolor="Beige"| [[Idiopathic cecal ulcer]] | |||
|- | |||
|} | |||
===Causes in Alphabetical Order=== | |||
*Angiodysplasia of the colon | {{columns-list| | ||
*[[Amebiasis]] | |||
*[[Amyloidosis]] | |||
*[[Anal fissures ]] | |||
*[[Angiodysplasia of the colon]] | |||
*[[Angioectasia]] | |||
*[[Aortoenteric fistula]] | |||
*[[Arteriovenous malformation]] | *[[Arteriovenous malformation]] | ||
*[[Ascariasis]] | |||
*[[Blue rubber bleb nevus syndrome]] | |||
*[[Cameron lesions]] | |||
*[[Carcinoma ]] | |||
*[[Celiac sprue]] | |||
*[[Colon polyps]] | |||
*[[Crohn's disease]] | |||
*[[Dieulafoy lesions]] | |||
*[[Diverticula]] | *[[Diverticula]] | ||
*Esophageal | *[[Duodenal ulcer]] | ||
*[[ | *[[Ehlers-danlos syndrome]] | ||
* | *[[Epistaxis]] | ||
* | *[[Erosive gastritis]] | ||
*[[Esophageal varices]] | |||
*[[Factitious]] | |||
*[[Fissures]] | |||
*[[Gastric antral vascular ectasia]] | |||
*[[Gastric carcinoma]] | *[[Gastric carcinoma]] | ||
* | *[[Gastric ulcer]] | ||
*[[ | *[[Gastrointestinal trauma]] | ||
*[[Gastrointestinal tumor]] | |||
*[[Gm-csf therapy]] | |||
*[[Hemangiomas]] | |||
*[[Hematobilia]] | |||
*[[Hemoptysis]] | |||
*[[Hemorrhoids ]] | |||
*[[Hemosuccus entericus]] | |||
*[[Hereditary hemorrhagic telangiectasia ]] | |||
*[[Hiatal hernia]] | *[[Hiatal hernia]] | ||
*[[ | *[[Hookworm]] | ||
*[[Idiopathic cecal ulcer]] | |||
*[[Infections]] | |||
*[[Inflammation]] | *[[Inflammation]] | ||
*Intestinal polyposis | *[[Inflammatory bowel disease]] | ||
*Loeffler's syndrome | *[[Inherited polyposis syndromes ]] | ||
*[[ | *[[Intestinal polyposis]] | ||
*[[Kaposi sarcoma ]] | |||
*[[Loeffler's syndrome]] | |||
*[[Malignant atrophic papulosis]] | |||
*[[Mass lesions]] | |||
*[[Meckel’s diverticulum]] | |||
*[[Neoplasia]] | |||
*[[Nsaids]] | |||
*[[Oropharyngeal]] | |||
*[[Plummer-vinson syndrome]] | |||
*[[Polyposis syndromes]] | |||
*[[Portal hypertension]] | *[[Portal hypertension]] | ||
*[[Prolonged running]] | |||
*[[Pseudoxanthoma elasticum]] | |||
*[[Reflux esophagitis]] | |||
*[[Small bowel varices]] | |||
*[[Strongyloidiasis]] | |||
*[[Tuberculous enterocolitis]] | |||
*[[Ulcerative colitis]] | |||
*[[Ulcers]] | |||
*[[Vascular ectasia]] | |||
*[[Whipple disease]] | |||
}} | |||
</div> | |||
==Related Chapters== | |||
[[Gastrointestinal bleeding]] | |||
==References== | ==References== | ||
{{ | {{reflist|2}} | ||
[[Category:Emergency medicine]] | [[Category:Emergency medicine]] | ||
[[Category:Surgery]] | [[Category:Surgery]] | ||
[[Category:Gastroenterology]] | [[Category:Gastroenterology]] | ||
{{WikiDoc Help Menu}} | {{WikiDoc Help Menu}} | ||
{{WikiDoc Sources}} | {{WikiDoc Sources}} |
Latest revision as of 22:10, 10 January 2020
Template:Search infobox Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Luke Rusowicz-Orazem, B.S.
Overview
Occult blood is blood in the feces in amounts that cannot be seen by the eye however it can be detected through tests.
Causes[1][2]
Life Threatening Causes
- Carcinoma
- Erosive gastritis
- Gastric carcinoma
- Gastrointestinal trauma
- Gastrointestinal tumor
- Infections
- Neoplasia
- Portal hypertension
- Tuberculous enterocolitis
Common Causes
- Anal fissures
- Angiodysplasia of the colon
- Angioectasia
- Aortoenteric fistula
- Cameron lesions
- Celiac sprue
- Colon polyps
- Crohn's disease
- Dieulafoy lesions
- Diverticula
- Duodenal ulcer
- Erosive gastritis
- Esophageal varices
- Gastric antral vascular ectasia
- Gastric carcinoma
- Gastric ulcer
- Gastrointestinal trauma
- Gastrointestinal tumor
- Hemorrhoids
- Hiatal hernia
- Inflammatory bowel disease
- Intestinal polyposis
- Meckel’s diverticulum
- Oropharyngeal
- Plummer-vinson syndrome
- Reflux esophagitis
- Small bowel varices
- Ulcerative colitis
- Vascular ectasia
- Whipple disease
Causes by Organ System
Causes in Alphabetical Order
- Amebiasis
- Amyloidosis
- Anal fissures
- Angiodysplasia of the colon
- Angioectasia
- Aortoenteric fistula
- Arteriovenous malformation
- Ascariasis
- Blue rubber bleb nevus syndrome
- Cameron lesions
- Carcinoma
- Celiac sprue
- Colon polyps
- Crohn's disease
- Dieulafoy lesions
- Diverticula
- Duodenal ulcer
- Ehlers-danlos syndrome
- Epistaxis
- Erosive gastritis
- Esophageal varices
- Factitious
- Fissures
- Gastric antral vascular ectasia
- Gastric carcinoma
- Gastric ulcer
- Gastrointestinal trauma
- Gastrointestinal tumor
- Gm-csf therapy
- Hemangiomas
- Hematobilia
- Hemoptysis
- Hemorrhoids
- Hemosuccus entericus
- Hereditary hemorrhagic telangiectasia
- Hiatal hernia
- Hookworm
- Idiopathic cecal ulcer
- Infections
- Inflammation
- Inflammatory bowel disease
- Inherited polyposis syndromes
- Intestinal polyposis
- Kaposi sarcoma
- Loeffler's syndrome
- Malignant atrophic papulosis
- Mass lesions
- Meckel’s diverticulum
- Neoplasia
- Nsaids
- Oropharyngeal
- Plummer-vinson syndrome
- Polyposis syndromes
- Portal hypertension
- Prolonged running
- Pseudoxanthoma elasticum
- Reflux esophagitis
- Small bowel varices
- Strongyloidiasis
- Tuberculous enterocolitis
- Ulcerative colitis
- Ulcers
- Vascular ectasia
- Whipple disease