Clinical GI (SA) Flashcards
Describe acute enteritis.
Profuse large volume diarrhoea.
Describe acute colitis.
Frequent small volume diarrhoea
Haematochezia comes from bleeding where?
Colon
Name 3 causes of acute colitis.
Dietary indiscretion
Whipworm
Protozoa
Which 2 snap test can be performed on canine faeces?
Giardia
Parvovirus
What is the most important factor when treating enteritis?
HYDRATION
How should a non-vomiting/severely dehydrated animal be given fluids?
ORT:
Glucose-electrolyte solution
Apart from maintaining hydration, what else must be done to aid acute enteritis?
restrict food intake 12-24h.
Reintroduce bland diet.
How does maropitant work as an anti-emetic?
NK-1 receptor antagonist
If vomiting persists, a gastric mucosal protectant should be given. Name 3.
Cimetidine (H2 antagonist)
Sucralfate
Antacids
How does kaolin-pectin act as an anti-diarrhoeal?
Binds toxins and excess water to protect mucosa.
How do opioids act as an anti-diarrhoeal?
Slow gut transit
What are the 3 indications for ABs in GE?
Haemorrhagic D+
D+ and pyrexia
Known infection
Which antiemetic is given to dogs?
Apomorphine
Which antiemetic is given to cats?
xylazine
What may be seen on haematology of a dog with HGE?
marked elevation of PCV (60-80)
What is the 1e Tx for HGE in dogs?
IV balanced electrolytes @ 80ml/kg/hr.
Stop when CRT normal and PCV <50
What is regurgitation?
Passive process where undigested food covered by mucus and saliva exit the mouth
What is the gold standard way to assess oesophageal function?
Barium oesophagram + fluoroscopy.
What Dz does the 2M antibody test for?
Masticatory Muscle Myositis
What are 3 causes of 2e megaoesophagus?
MG
Oesophagitis
Hiatal hernia
How is idiopathic megaoesophagus treated?
Postural Feeding
Guarded Px - aspiration pneumonia
What are the 4 main causes of canine oesophagitis?
Ingestion of irritant
FB
Acute/persistent vomiting
Gastric reflux
How should the feeding regime be changed in cases of oesophagitis?
frequent small feeds
What medicines can be given to ease oesophagitis?
Sucralfate
Antacids
Metoclopramide
What are the 3 categories of oesophageal obstruction?
Intraluminal
Intramural
Extramural
Which AB can lead to oesophageal stricture formation in cats?
doxycycline
What method of stricture dilatation has the lowest risk of perforation?
Balloon Dilatation
Bougienage can cause longitudinal shear tears.
What kind of imaging is best for visualisation of oesophageal FB?
PLAIN Rx.
DON’T give barium.
What should be given to a dog after surgical FB removal?
PEG tube
Omeprazole
Sucralfate
Define Pseudoptyalism
Failure to swallow correct volume of saliva
Define Megaoesophagus
Oesophageal dilation w/functional paralysis
What is the cause of an oesophageal stricture?
Fibrosis following ulceration of the mucosa
Which medication can be given locally to ease stricture tightness?
Triamcinolone Acetonide
Where is the most common site of oesophageal FB in the dog?
Lower oesophageal sphincter.
How are oesophageal FB diagnosed?
Rx - NO contrast!
Intermittent chronic V+, with early morning V+ w/bile, poor appetite and gastric bleeding are signs of which Dz? Tx?
Chronic Gastritis
Diet w/novel protein & multiple small meals.
H2 antagonist/PPI
Ranitidine/Metaclopramide also useful.
POSS C/S but not always.