Topic 31 - Intake of feed and water, the abnormalities of chewing and swallowing. Examination of vomitus and its diagnostic significance. Regurgitation. Examination of the oesophagus Flashcards
If there is an abnormality with chewing or swallowing, where and what do we examine the dog?
Externally:
- Musculature
- Pain
- Symmetry
Internally:
- Teeth
- Tongue
- Gum
- Esophagus
Abnormal findings externally on the dog:
Sagging jaw, ear or nostrils
This can be sign of nerve damage - N.trigeminus
Abnormal findings internally on the dog:
- Painful gums = uraemia
- Tongue cannot move
Animal refuse to eat:
Indicates pain
- Can be colic, ileus
How can we differentiate between regurgitation and vomiting?
We ask questions for the owner:
- Is there ABDOMINAL EFFORT
- How often?
- is the food DIGESTED?
- Is there BLOODD?
- Does the pet have a bad BREATH?
Indications of vomiting:
- Active abdominal contraction
- Unrelated to food intake
- Digested food
- Bile/blood
- Low pH
Indications of regurgitation:
- No abdominal contraction
- Related to food intake, shortly after food intake
- Undigested food
- No bile/blood
- High pH
What is it called when the dog suffers from swallowing problems?
Dysphagia
Examination method of esophagus:
Inspection
Palpation - not easy unless problem = foreign body
Additional examination methods to examine the esophagus:
X-ray
Endoscopy
Oesophagoscopy
What can we see with an Oesophagoscopy?
Inflammation/redness
Dilated blood vessels
Vesicles
What can we see with an X-ray?
Megaesophagus