Page 60 - Rule Outs in Small Animal Medicine, Problem-oriented Assessment of Problems in Physical Examination and Clinical Pathology, 2nd Edition

Internal Medicine Internal Medicine
Gastrointestinal tract Gastrointestinal tract

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Blood in
faeces
No defaecation

Bloody Enteric
diarrhoea bleeding

No attempts to With tenesmus ani Acute haemor- Severe damage â Coagulo-
defaecate rhagic diarrhea Non- Infectious of the pathy
syndrome (AHDS) infectious intestinal wall pp. 18–19

Inflammation Ingestion of – Parvovirosis Mechanical Severe
Neuromuscular Large bowel spreading to irritating damage to Mucosal gastrointestinal
Pain Empty gut Inflammation the gut substances – Distemper ulceration
disorders obstruction – Salmo- the mucosa parasite
nellosis infestation
– Pancreatitis – Clostridiumspp.
– Giardiosis – Foreign – Iatrogenic
– Anal sac abscess – Spinal cord – Colitis – Stricture – Coccidiosis body (e.g. therapy
– Perianal fistulas lesion S1–S3 â Anorexia – Prostatic – Tricho- – Trauma with high-
dose gluco-
pp. 34–35
– Damage to the enlargement moniasis corticoids,
pudendal nerve – Perineal hernia NSAIDs)
– Polyneurop- – Constipation – Neoplasia
athy – Uraemic
– Smooth muscle enterocolitis
dysfunction
– Severe
inflammation

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