Malabsorption Flashcards
Definition
Defective mucosal absorption due to
- defective luminal digestion
- mucosal disease
- structural disorders
Causes
Crohn's disease Coeliac disease Post infections - giardia Biliary obstruction Cirrhosis Whipple's disease Tropical sprue
Whipple’s disease - cause
T Whipplei micro-organism
Whipple’s disease - genetics
HLA-B27
Whipple’s disease - clinical presentation
Multi system involvement Weight loss Diarrhoea Steatorrhoea Abdominal distension Fever Arthritis
Whipple’s disease - investigations
Microscopy
Whipple’s disease - management
Antimicrobial
Tropical sprue - cause
Infection colonises intestines
Tropical sprue - clinical presentation
Diarrhoea Steatorrhoea Weight loss Nausea Anorexia Anaemia
Tropical sprue - investigations
Biopsy
Tropical sprue - management
Tetracycline
Folic acid
Giardia lambia - causes
Traveling to areas with contaminated water supply
Swimming in pools
Giradia lambia - clinical presentation
Watery diarrhoea Steatorrhoea Weight loss Abdominal pain Nausea Vomiting
Giardia lambia - investigations
Stool culture x3
Giardia lambia - management
Metronidazole
Schilling’s test - what is it used for?
To detect bacterial overgrowth
Malabsorption PMH
Gastric or small bowel resection
Investigations
FBC LFT Stool culture Endoscopy Imaging - AXR, CT scan, MRI