GI Flashcards
what is the mechanisim of atcion of cyclizine?
it is an anti-histamine
H1 antagonist
what is the mechanism of action of ondansetron?
5HT3 antagonist
what is the mechanism of action of domperidone/prochloperazine/ metaclopramide?
dopamine antagonist (D2/3)
when should you not give metaclopramide?
bowel obstruction
parkinsons
female with dysphagia and anaemia
patterson kelly brown syndrome
AKA Plummer -Vinson syndrome
iron deficiency is assocaited with post-cricoid oesophgeal web
bird beak appearance on barium swallow
achalasia
what should you do if you really need to examine the rectum but its far too painful for the patient?
Examination under anaesthesia
Blood on toilet paper, painful when pooing
anal fissure
cruise down river nile and then has watery diarrhoea 6 weeks later
test urine or stool miscroscopy to look for eggs
screening for AAA
abdo USS. if > 5.5cm in male then need repair
women taking NSAIDS for hip replacement develops bleeding
acute erosive gastritis
spidery-web white pattern in mouth
lichenoid patchy/lichen planus
describe an apthous ulcer
painful yellow ulcer with red halo
descirbe a typical mouth cancer lesion
painless yellow ulcer with red halo
patient has had a gastric resection and is now unsteayb on feet?
B12 def as loss of parietal instrinic factor and now has peripheral neuropathy
who needs vit D supplements?
pregnant women
people over 65
infants and children aged up to 5
(should really take one every day in scotland anyway)
painless rolled ulcer in mouth
mouth cancer
which neurotransmitter causes sedation?
histamine
old lady with constipation, abdo pain and bleeding
diverticulitis
alcohol , pmh of gallstones and epigastric pain
pancreatitis
shoulder tip pain on right and abdo pain
cholysystitis
alcoholic, drinking bottle of whiskey per day, poor memory, amnesia
korsakoff’s dementia
pregnant woman, feels stuff coming down back passage, blood on wiping
haemorrhoids
woman bleeding and extreme pain when pooing, sore PR
anal fissure
