Weight loss Flashcards
Due to decreased appetite
can't eat or won't eat prehension difficulties painful mouth dysphagia loss of smell (loss of appetite in cats)
anorexia - influenced by…
blood glucose body temp metabolic products neural input from GIT substances released by neoplasia psychic factors (direct CNS pathology)
anorexia - PE
pyrexia masses severe constipation severe heart disease anaemia icterus
anorexia - causes
toxins - exogenous or endogenous pyrexia electrolyte disturbance hepatic disease neoplasia psychic factors primary CNS disease
maldigestion
exocrine pancreatic insufficiency - most common
secondary enzyme deficiency
deficiency of bile acid
loss of brush border enzymes
malabsorption
nutrients digested normally
absorption in SI impared
structural disease of SI - most common
metabolic disease making absorption harder
malabsorption - primary GI
infl bowl disease (IBD) - relatively common
lymphangiectasia (can be secondary to IBD)
gastrointestinal lymphoma
severe SI bacterial overgrowth
dry feline infectious peritonitis (FIP)
malabsorption - clinical signs
weight loss
diarrhoea
coprophagia
malabsorption - secondary GI
hepatic disease
right sided cardiac disease
hyperthyroidism - gut transit time increased + less time for absorption. weight loss also due to increased metabolic rate
malutilisation - normal or increased appetite
diarrhoea usually not significant feature diabetes mellitus congestive heart failure dirofilariasis neoplasia hyperthyroidism renal disease
malutilisation - increased appetite
diabetes mellitus
hyperthyroidism