lower GIT bleed , brief description about bleed

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1. Definition Passage of blood from back passage or anus . Common symptom in adults of all ages.

2. Causes of ACUTE bleed Diverticular disease Angiodysplasia Meckel’s diverticulum IBD

3. Chronic/ Subacute Causes Anal disease (fissure, hemorrhoids) Carcinoma Polyps

4. Investigations Basic CBC LFTs PT Cross Match Advanced Colonoscopy Capsule endoscopy RBC scan Angiography