heme-positive

heme-positive

Medtalk adjective referring to stool that contains heme, often associated with colorectal CA. See Occult blood. Cf Heme-negative.
References in periodicals archive ?
This test is able to detect heme-positive compounds including hemoglobin and myoglobin because heme catalyzes the oxidation of tetramethylbenzidine which produces a color change [11].
Laboratory exam was significant for a creatinine kinase (CK) of 8,563 and heme-positive urine and otherwise normal for electrolytes, blood urea nitrogen (BUN) and creatinine, complete blood count, and urine drug screen.
Twenty-seven (9.9%) patients had melena or heme-positive stools as their indication; 49 (18.0%) had a history of chronic diarrhea and/ or inflammatory bowel disease; and 14 (5.2%) had miscellaneous indications that included abnormal radiographic findings [e.g., abnormal abdominal computed tomography (CT) scan] or GI bleeding from an obscure origin (Table 1).
This figure was obtained by taking the total number patients who had an indication for obscure GI bleeding (i.e., iron deficiency anemia, melena, and/or heme-positive stools).
Bowel sounds were sluggish and rectal examination showed heme-positive stools.
Bowel sounds were hypoactive and a digital rectal exam revealed normal tone with heme-positive stool.
While in the emergency room, he suffered an episode of heme-positive "coffee-ground" emesis, but refused nasogastric lavage.
Alarm signs (weight loss, anemia, age older than 50 years, early satiety, heme-positive stool) suggest the need for endoscopy.
She continued to have occasional loose heme-positive stools.