Megaoesphagus Flashcards
1
Q
Pathophysiology
A
Chronic dilation loss of muscle tone
Muscle cannot contract properly
Cannot actively transport food
Protective lung reflexes disrupted
Results in
- food/saliva accumulation
- regurgitation
- asp. Pneumonia
2
Q
General aetiology (4)
A
May be idiopathic
May be hereditary
May be congenital
May be acquired
3
Q
Breed predisposition (3)
A
Great Danes
GSD
Labs
4
Q
2 congenital causes
A
Incomplete oesophageal nerve development
Oesophageal vascular ring anomaly
5
Q
Acquired secondary to (4)
A
Myasthenia gravis
Addisons
Oesophageal stricture
Oesophageal obstruction
6
Q
Clinical signs (6)
A
Regurgitation Anorexia Weight loss Coughing Halitosis Excessive salivation
7
Q
Diagnosis (4)
A
Hx/cs/exam Bloods - underlying/causal condition Radiography + barium Endoscopy
