106: GORD Flashcards
(33 cards)
What is Barrett’s Oesophagus?
Metaplasic mucosa forms where squamous sould be in the oesophagus cut to gastric acid damage
cells in the gastric body mucosa…
chief and parietal calls
glandular tumour nomenclature…
adenocarcinoma
smooth muscle tumour….
leiomyosarcoma
skeletal muscle tumour…
rhabdomyosarcoma
bone tumour…
osteosarcoma
cartilage tumour..
chondrosarcoma
fibrous tissue tumour…
fibrosarcoma
vascular tumour…
angiosarcoma
melanocytes tumour…
malignant melanoma
peptic ulcer symptoms
dyspepsia, weight loss, anorexia, IBS. GU - after meals, DU- 2-5h post meal/empty stomach
ulcer causes
NSAIDS ( reduce COX 1 levels - reduced protective prostaglandins)
Helicobacter Pylori ( antral gastritis cuases DU, pan gastritis - GU)
smoking
stress/diet/familial
how do proton pump inhibitors work?
inhibit H transport from parietal cells
what is Meckel’s Diverticulum
embryological malformation of distal ileum
What is Stevens-Johnson Syndrome?
autoimmune hypersensitivity disorder causing target skin lesions
What is achalasia?
condition affecting the nerves and muscles of the oesophagus - affecting swallowing.
what do antacids do?
neutralise acid production
what to alginates do?
reduce irritancy of acid
what do sucralfates do?
promote mucosal defence via prostaglandin receptor
what does metoclopramide and domperidone do?
gastric stimulant - peristalsis
what do proton pump inhibitors and H2 receptor agonists do?
reduce acid production.
name a sucralfate…
misoprostol
name some H2 receptor agonists
ranitidine, nizatidine, famotidine, cimetidine
name some proton pump inhibitors
omeprazole, lansoprazole, pantoprazole, esomeprazole