GI Bleed Flashcards
common cause of gastric and/or duodenal ulcers
NSAIDs
stress (ICU)
common cause of esophagogastric varices
cirrhosis
common cause of severe or erosive esophagitis, gastritis, duodenitis
candida
ETOH
common cause of portal hypertensive gastropathy
cirrhosis
common cause of angiodyplasia
sequlea of other diseases (renal, cardiac, hepatic)
common cause of mass lesions
polyps
cancer
common cause of Mallory-Weiss syndorme
repetitive retching
what percentage of patients with a GI bleed have no lesion identified?
10-15%
clinical manifestations of a GI bleed
belly pain
hematemesis
melena
hematochezia
what should we think with severe belly pain with involuntary guarding or rebound tenderness?
consider perforation
what should we think with frank blood in vomit?
vigorous active bleed
what should we think with coffee ground apperance in vomit?
slower, more limited bleeding
is melena specific or nonspecific?
nonspecific
when hematochezia is accompanied by hypotension (+/- signs of UGI bleed) it indicates what?
MASSIVE upper bleed
orthostatic hypotension indicates ____ % total volume losss
15%