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Hemorragias Digestivas

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<strong>Hemorragias</strong> <strong>Digestivas</strong> Altas<br />

Melena<br />

◦ Fezes negras(borra de café ou piche)<br />

◦ Resultante de decomposição bacteriana da<br />

hemoglobina na luz intestinal<br />

◦ Pode permanecer por vários dias após<br />

interrupção do sangramento ativo ou maciço<br />

Volume necessário:<br />

◦ Vol. > 400mL em trânsito gastrintestinal > 8h<br />

◦ Vols. > 60 mL escurecem as fezes

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