black tarry stool

Stool that is viscid and blackened by oxidized blood, a finding often caused by cancer-related occult haemorrhage; BTSs appear with as little as 50–75 mL of blood, usually above the ligament of Treitz; oxidation of haeme by combined action of enzymes and bacteria requires several hours
DiffDx Drugs—e.g., salicylates, steroids, rauwolfia, phenylbutazone, indomethacin—which may cause GI blood loss in normal persons and in those with underlying GI tract anomalies. Black tarry may also be iatrogenic—charcoal, iron, bismuth

black tarry stool

Black stool Stool that is viscid and blackened by oxidized blood, a finding often caused by cancer-related occult hemorrhage; BTSs appear with as little as 50-75 mL of blood, usually above the ligament of Treitz–oxidation of heme by combined action of enzymes and bacteria requires several hrs DiffDx Drugs–eg, salicylates, steroids, rauwolfia, phenylbutazone, indomethacin, which may cause GI blood loss in normal persons and in those with underlying GI tract anomalies; BS may also be iatrogenic–charcoal, iron, bismuth
References in periodicals archive ?
6 Had indigestion for some time, passed a black tarry stool, feeling faint, your skin is pale and you're short of breath going upstairs.
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During his preoperative workup, he was noted to be anemic and was found to have black tarry stools.
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We discuss a 57-year-old male patient who had undergone a right radical nephrectomy 12 years previously and free of disease for RCC presented with a 3-days history of shortness of breath, fatigue, dyspepsia, black tarry stools, and generalized weakness.
U for signs of bleeding, such as black tarry stools or easy bruising Suggest that Ms.
Deny pallor, lethargy, irritability, difficulty breathing, constipation, blood in urine, or black tarry stools.
While taking aspirin, tell your doctor about any signs of GI bleeding, such as blood in your stool or vomit, black tarry stools, or vomit that resembles coffee grounds.