EMANUEL LIBMAN, M.D., F.A.C.P.; ARTHUR M. FISHBERG, M.D.
Hemoglobinuria is regarded as symptomatic of hemoglobinemia. A small amount of hemoglobin may be free in the blood plasma without appearing in the urine, being taken up and converted to bilirubin by the reticulo-endothelial cells. But the renal threshold for hemoglobin is apparently very low, so that hemoglobinuria is a fairly delicate indicator of hemoglobinemia. Contrary to hemoglobinuria, hematuria is practically always due to a local disorder of the kidneys or urinary passages, though in the so-called essential hematurias the anatomic substratum may be difficult to discover.
In the present note we desire to record briefly three observations showing that
LIBMAN E, FISHBERG AM. AN ARTICLE CONTRIBUTED TO AN ANNIVERSARY VOLUME IN HONOR OF DOCTOR JOSEPH HERSEY PRATT: UNILATERAL HEMOGLOBINURIA: ITS OCCURRENCE IN INFARCTION OF THE KIDNEY1. Ann Intern Med. 1938;11:1344–1347. doi: 10.7326/0003-4819-11-7-1344
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Published: Ann Intern Med. 1938;11(7):1344-1347.
Nephrology, Urological Disorders.
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