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'''Mechanical Obstruction<br>
'''Mechanical Obstruction<br>
'''Functional Obstruction<br>
'''Functional Obstruction<br>
'''Oesophageal obstruction<br>
'''Choke<br>
'''Gastric Impaction<br>
'''Small Intestinal Simple Obstruction<br>
'''Ascarid Impaction<br>
'''Ileal Impaction<br>
'''Large Intestinal Simple Obstruction<br>
'''Large Intestinal Simple Obstruction<br>
'''Caecal Impaction<br>
'''Colon Impaction<br>
'''Colon Impaction<br>
'''Large Colon Impaction<br>
'''Large Colon Impaction<br>
'''Pelvic Flexure Impaction<br>
'''Sand Impaction<br>
'''Small Colon Impaction<br>
'''Small Colon Impaction<br>
'''Pelvic Flexure Impaction<br>
'''Meconium Impaction'''
|}
|}
'''[[:Category:Colic Diagnosis in the Horse|Colic Diagnosis in Horses]]<br>
'''[[:Category:Colic Diagnosis in the Horse|Colic Diagnosis in Horses]]<br>
'''[[:Category:Medical Colic in the Horse|Medical Colic in the Horse]]<br>
'''[[:Category:Medical Colic in the Horse|Medical Colic in the Horse]]<br>
'''[[:Category:Surgical Colic in the Horse|Surgical Colic in the Horse]]<br>
'''[[Colic,Medical Treatment|Medical Treatment of Colic]]<br>
'''[[Colic, Medical Treatment|Medical Treatment of Colic]]'''
'''[[:Category:Surgical Colic in the Horse|Surgical Colic in the Horse]]
|}<br>'''
==Description=
Impactions are simple obstructions of the gastrointestinal system. In the horse they include:
Impactions are simple obstructions of the gastrointestinal system. They include:
*Oesophageal obstruction ('choke')
*Oesophageal obstruction ('choke')
*Gastric impaction
*Gastric impaction
**[[Caecal Impaction - Horse|Caecal impaction]]
**[[Caecal Impaction - Horse|Caecal impaction]]
**[[Large Colon Impaction - Horse|Large colon impaction]]
**[[Large Colon Impaction - Horse|Large colon impaction]]
**[[Sand Impaction - Horse|Sand impaction]]
**[[Small Colon Impaction - Horse|Small colon impaction]]
**[[Small Colon Impaction - Horse|Small colon impaction]]
**Meconium impaction
**Meconium impaction
==Prevalence==
==Prevalence==
==Signalment==
==Signalment=
==Pathophysiology==
==Pathophysiology==
===Anatomy===
===Anatomy==
Impactions of the large colon occur where the luminal diameter narrows, especially the pelvic flexure and the right dorsal colon (RDC) (83 in Bliks). Food impactions occur most often at the pelvic flexure, the site of the myoelectrical pacemaker. Sand impactions occur at various sites in the large intestine.
Impactions of the large colon occur where the luminal diameter narrows, especially the pelvic flexure and the right dorsal colon (RDC) (83 in Bliks). Food impactions occur most often at the pelvic flexure, the site of the myoelectrical pacemaker. Sand impactions occur at various sites in the large intestine.
Colic signs typically well controlled with analgesics but become increasingly more severe and refractory if impaction not resolved
Colic signs typically well controlled with analgesics but become increasingly more severe and refractory if impaction not resolved
==Diagnosis==
==Diagnosis==