G.I Flashcards
What is the most likely causative organism for gastroenteritis?
E. coli
What goods can coeliacs not eat?
Gluten!
Wheat: bresd, pasta, pastry
Barley:beer
Rye and oats
What is peutz-jeghers syndrome?
Autosomal dominant condition chsrscterised by numerous hamartomatus polyps and pigmented lesions - often leads to colon cancer
Define hamartomatus?
Tumour-like but not actually a neoplasm
How is severe pancreatitis calculated?
Modified Glasgow score
What are the modified glasgow score criteria
Three or mire of the following is severe PaO2 <8 Age > 55 Neutrophilia wbc>15x10(9) Calcium <2mmol/L Renal function urea> 16mmol Enzymes: LDH> 600 AST> 200 Albumin: < 32g/L Sugar : BG > 10
Central abdo pain, diarrhoea history of AF or cardiovascular disease, metabolic acidosis and possible rectal bleeding = what?
Mesenteric ischaemia
What is the special test for acute cholecystitis?
Murphy’s sign
Positive with arrest of inspiration on palpation of RUQ
What antibiotics should patients with ascites (and protein concentration <= 15 g/L) should be given oral as prophylaxis against apontaneous bacterial peritonitis
ciprofloxacin or norfloxacin
What is the management of alcoholic ketoacidosis?
IV saline to rehydrate and thiamine to prevent Wernicke’s encephalopathy or Korsakoff psychosis
What is spontaneous bacterial peritonitis a complication of?
Liver cirrhosis, diagnosed with aspiration of peritoneal cavity
What is antibidy test for coeliac disease?
Anti-tissue transglutaminase
Difference between ulcerative collitis and crohns disease?
UC= ileocaecal valve to rectum, continuous disease, no inflammation beyond submucosa, crypt absecces
Crohn’s disease = mouth to anus, skip lesions, inflammation in all layers can cause bowel obstruction and fistulae