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colonoscopy (during (sigmoid, splenic flexure, hepatic flexure, ileocecal…
colonoscopy
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indication
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ca colon screening
polyp: number, size, dysplasia
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(prolong) sedation
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pethidine
danger
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x SNS: pain, high vagal tone, hypotension, x sns, l BP l pulse
drug
anticoagulant
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thrombotic risk
INR < 1.5
3-5 days INR fall below normal value, covered by heparin
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