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Gastritis can cause contraction of gastric smooth muscle which causes spasms and pain. Vomiting may result from the stimulation of nerve endings that connect with the vomiting centre.
Gastritis can cause contraction of gastric smooth muscle which causes spasms and pain. Vomiting may result from the stimulation of nerve endings that connect with the vomiting centre.
==Diagnosis==
==Diagnosis==
Acute gastritis is a diagnosis of exclusion based on physical examination findings and a history of ingestion of causative substances.
===Clinical Signs===
===Clinical Signs===
*acute vomiting (food, bile together with small amounts of blood may be present in the vomitus)
*acute vomiting (food, bile together with small amounts of blood may be present in the vomitus)
===Abdominal Palpation===
===Abdominal Palpation===
Severely affected animals may show signs of discomfort on palpation of the cranial abdomen.
Severely affected animals may show signs of discomfort on palpation of the cranial abdomen.
===Laboratory Tests===
===Laboratory Tests===
===Radiography===
===Radiography===
Abdominal radiographs may be taken if the animal is severely ill and to rule out other causes such as an alimentary foreign body.
===Endoscopy===
===Endoscopy===