heme-negative

heme-negative

Medtalk adjective Referring to stool that does not appear to contain the heme commonly associated with colorectal CA; heme-negativity makes CA less likely. See Occult blood. Cf Heme-positive.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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Furthermore, a heme-negative rectal examination should not preclude proctoscopy and eventually rectal surgical exploration, given that physical exam was not sensitive for rectal injuries with only 25% of the patients with rectal injuries presenting with anal bleeding or blood on physical and rectal exam.
Rectal examination presents only 25% sensitivity and a heme-negative exam should not preclude proctoscopy and eventually rectal surgical exploration.
Penetrating bladder trauma: a high risk factor for associated rectal injury
His stool was heme-negative. Laboratory results, including complete blood count, chemistries, and urinalysis were all negative.
Radiological case of the month: John D. Ebersole, MD

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