Investigation Flashcards
principles of investigation
- begin with thorough history and examination
- differentiate functional disorders from organic pathology
- start with simple and non-invasive procedures where possible
- justify all investigations requested
bedside investigations
BMI ECG pulse oximetry capillary glucose urinalysis
stool analysis: what is involved
- stool culture
- faecal calprotectin
- faecal elastase
faecal calprotectin
- raised level in inflammatory conditions
- quantitative analysis useful for monitoring disease activity
faecal elastase
- investigation of pancreatic insufficiency/ malabsorption
what is involved in GI blood analysis
- urea and electrolytes
- calcium and magnesium
- LFTs (hepatitic, obstructive)
- CRP
- thyroid function
- full blood count
- coagulation
- haematinics
what does CRP stand for?
c-reactive protein
function of CRP
blood test marker for inflammation in the body
what is involved in haematinics blood analysis
- B12
- folate
- ferritin
blood analysis hepatic screen details
- hepatits B and C serology
- autoantibodies
- immunoglobulins
- ferritin
- alpha 1 antitrypsin
- caeuloplasmin, copper
- alpha fetoprotein
blood analysis coeliac serology details
- tissue transglutaminase
- endomysial antibody
- check IgA levels
blood analysis tumour markers details for people with abdominal issues
- CEA not useful as screening test
- may be useful for monitoring response to therapy
urine investigations for people with abdominal issues
5HIAA
catecholamines
nutritional investigations for people with abdominal issues
trace elements
vitamins
importance of laxative screening
for people with weight loss
if you suspect they have been abusing laxatives, can test their blooooooood