gi tract Flashcards
^ in intracranial pressure causes
projectile vomiting
what is esophageal irritation?
heartburn
what is salivary gland secretions?:
waterbrash
what is hemetemesis
blood in vomit
when body tenses up to ready for extrusion
retching
what kind of epithelium in lining of esophagus?
stratified squamous (well protected)
causes of infectious esophagitis?
viral, fungal, herpes, candida albicans
heartburn and waterbrash characteristic of:
esophagitis
what cause esophagitis?
infection, reflux of gastric juice, exogenous irritants and chem
reflux esophagitis usually secondary to:
hiatal hernia
what is barrett’s change?
esophagus change from squamous to columnar (secretes mucous) as protective mechanism–>dysplasia–>cancer
characteristics of gastritis?
nausea, vomit, hemetemesis, upper ab pain
acute gastritis caused by:
alcohol, aspirin
chronic gastritis caused by:
helicobacter pylori
peptic ulcer most common in:
duodenum
common cause peptic ulcer?
stress, helicobacter, NSAIDs, Zollinger Ellison syndrome
what does peptic ulcer look like?
clean, sharply punched out (diff from cancer which looks dirty)