Diarrhoea in Cats and Dogs Flashcards
What characterises small bowel diarrhoea?
large volumes melena (digested blood) weight loss \+/- vomiting no mucus
What characterises large bowel diarrhoea?
Small volumes High frequency Fresh blood Tenesmus Dyschezia \+/- vomiting
DDx for Acute Small Intestinal Diarrhoea with no systemic signs
Dietary
Helminths
Protozoa - Giardia
Iatrogenic - Drugs
DDx for Acute Small Intestinal Diarrhoea with systemic signs
Bacterial Infection - salmonella, campy, Viral Infection - distemper, parvovirus, panluekopaenia Toxins HGE Acute Pancreatitis
Bacterial Infection - salmonella, campy,
Viral Infection - distemper, parvovirus, panluekopaenia
Acute Pancreatitis
What tests would you do for each of these?
Bacterial Infection - salmonella, campy, (Faecal Culture)
Viral Infection - distemper, parvovirus, panluekopaenia (Faecal Antigen Test)
Acute Pancreatitis - (Ultrasound, Pancreatic Lipase)
DDx for Acute Large Intestinal Diarrhoea
Whipworms
Clostridia
Giardia
Campy
DDx for Acute Chronic Small Intestinal Diarrhoea
Metabolic - hepatic disease, hyperthroidism, addisons disease, renal insufficency
Pancreatic - EPI, Chronic Pancreatisis
Intestinal - Giardia, Chronic partial obstruction, Lymphangiectasia, Neoplasia (Lymphosarcoma), food responsive disease, IBD
Which conditions can be classified as antibiotic responsive diarrhoea?
Neoplasia (Lymphosarcoma),
food responsive disease,
IBD
DDx for large intestinal diarrhoea: Colon
Intestinal - IBD, Polyps, Food- Responsive Disease, Neoplasia, Tritrichomonas foetus.
What are the mortality rates for exlap biopsies and endoscopic biopsies?
20% Mortality Ex-Lap
2% Mortality Endoscopy
How long do you need to trial a diet for, as an exclusion for diarrhoea?
6-8 weeks
What did ARD used to be called?
Small Intestinal Bacterial Overgrowth
What is the Abx of choice for ARD?
Metronidazole 15mg/kg PO 4 weeks
What is the most common chronic enteropathy in dogs?
IBD
What are 3 different classes of IBD found on histopath?
Lympho-plasmacellular
Eosinophillic
Ulcerative Colitis