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2.1 LGIB (aetiology (coagulopathy (chemical), hemorrhoid, anal fissure…
2.1 LGIB
aetiology
coagulopathy
chemical
hemorrhoid, anal fissure
ischemic
colon cancer, colitis
infective
diverticular disease, angiodysplasia
inflammatoy
types
blood diarrhea
hematochezia
distal to ligament of Treitz
complications
anemia
dehydration/shock
MI
hematochezia (mixed/coating)
distal: brighter red
proximal: darker red
massive
≥3 units of blood in a day