DISEASE - David Geffen School of Medicine at UCLA

Source of the suspected blood (vomit, rectum, vagina, urine) History of anticoagulant therapy or clotting problems. History of bleeding in past (ulcers, varices, etc.) Recent change in color of stool (frank blood or black/tarry stools indicate the presence of blood) Vomit that is coffee-ground colored or dark or bright red ................
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