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==Typical Signalment==

==Typical Signalment==

*Sharpei dogs are predisposed to this disorder.

Dogs that are predisposed to this disorder include:

 

==Description==  

==Description==  

A hiatal hernia is a diaphragmatic abnormality that allows part of the stomach and the abdominal oesophagus to prolapse into the thoracic cavity.

A hiatal hernia is a diaphragmatic abnormality that allows part of the stomach and the abdominal oesophagus to prolapse into the thoracic cavity.

Two types of hiatal hernia have been recognized in the dog and cat:

Two types of hiatal hernia have been recognized in the dog and cat:

*'''Sliding hiatal hernia''' - Cranial displacement of the distal oesophagus and stomach into mediastinum through the oesophageal hiatus.

*'''Sliding hiatal hernia''' - Cranial displacement of the distal oesophagus and stomach into mediastinum through the oesophageal hiatus.This is the most common form. It can occur in the dog and cat and may occur as a congenital or acquired lesion. The hernia results from incomplete fusion of the diaphragm during early embryonic development.

 

*'''Para-oesophageal hiatal hernia''' - Cranial displacement of part of the stomach into mediastinum through a defect ''adjacent'' to the oesophageal hiatus

*'''Para-oesophageal hiatal hernia''' - Cranial displacement of part of the stomach into mediastinum through a defect ''adjacent'' to the oesophageal hiatus

 

Sliding hiatal hernia ==Diagnosis==

 

==Diagnosis==

===Clinical Signs===

===Clinical Signs===