Results 161 to 170 of about 8,117 (203)
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The American Journal of the Medical Sciences, 1985
Oxygen transport, the major function of hemoglobin, is dependent upon reduced heme iron. In the red cell, the heme iron is maintained in the reduced form by the methemoglobin reduction system. When the balance between oxidation and reduction of heme iron is perturbed due to the presence of excessive oxidants, decreased reducing capacity or the presence
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Oxygen transport, the major function of hemoglobin, is dependent upon reduced heme iron. In the red cell, the heme iron is maintained in the reduced form by the methemoglobin reduction system. When the balance between oxidation and reduction of heme iron is perturbed due to the presence of excessive oxidants, decreased reducing capacity or the presence
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Methemoglobinemia and Sulfhemoglobinemia
New England Journal of Medicine, 1948THE appearance of severe cyanosis may alarm the patient and presents a diagnostic problem to the attending physician. Recognition of the cause of the cyanosis and the specific blood pigment involved permits the separation of conditions connoting serious underlying disease from those of benign origin. An increased amount of reduced hemoglobin in cardiac
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American Journal of Hematology, 1993
AbstractThe ferrous iron of hemoglobin is exposed continuously to high concentrations of oxygen and, thereby, is oxidized slowly to methemoglobin, a protein unable to carry oxygen. To restore hemoglobin function, methemoglobin (ferrihemoglobin) must be reduced to hemoglobin (ferrohemoglobin).
Ali Mansouri, Aubrey A. Lurie
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AbstractThe ferrous iron of hemoglobin is exposed continuously to high concentrations of oxygen and, thereby, is oxidized slowly to methemoglobin, a protein unable to carry oxygen. To restore hemoglobin function, methemoglobin (ferrihemoglobin) must be reduced to hemoglobin (ferrohemoglobin).
Ali Mansouri, Aubrey A. Lurie
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Southern Medical Journal, 2011
The diagnosis of methemoglobinemia should be considered in patients presenting with cyanosis and hypoxia. A variety of frequently used medications are capable of inducing methemoglobinemia, with dapsone and benzocaine being common culprits. Unique features, such as a saturation gap and chocolate-brown-colored blood, can raise suspicion for ...
Anna, Skold +2 more
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The diagnosis of methemoglobinemia should be considered in patients presenting with cyanosis and hypoxia. A variety of frequently used medications are capable of inducing methemoglobinemia, with dapsone and benzocaine being common culprits. Unique features, such as a saturation gap and chocolate-brown-colored blood, can raise suspicion for ...
Anna, Skold +2 more
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Archives of Pediatrics & Adolescent Medicine, 1950
The purpose of this communication is to review the subject of methemoglobinemia in infancy and to add a report of a case of methemoglobinemia in neonatal life, resulting from the ingestion of well water containing large amounts of nitrates. Methemoglobinemia has been recognized as a disease entity for many years. Several authors have grouped the cases
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The purpose of this communication is to review the subject of methemoglobinemia in infancy and to add a report of a case of methemoglobinemia in neonatal life, resulting from the ingestion of well water containing large amounts of nitrates. Methemoglobinemia has been recognized as a disease entity for many years. Several authors have grouped the cases
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Archives of Internal Medicine, 1946
CYANOSIS is caused most frequently by cardic or pulmonary disease, but it may be the result of an increased concentration of methemoglobin, among other etiologic factors. In the absence of cardiac or pulmonary disease further study of the blood to establish or exclude the presence of this hemoglobin derivative is of considerable importance.
M, CARNRICK, B D, POLIS, T, KLEIN
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CYANOSIS is caused most frequently by cardic or pulmonary disease, but it may be the result of an increased concentration of methemoglobin, among other etiologic factors. In the absence of cardiac or pulmonary disease further study of the blood to establish or exclude the presence of this hemoglobin derivative is of considerable importance.
M, CARNRICK, B D, POLIS, T, KLEIN
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Acquired methemoglobinemia: A systematic review of reported cases
Transfusion and Apheresis Science, 2022Minh-Ha Tran
exaly