methemoglobin


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Related to methemoglobin: methemoglobin test, Methemoglobin reductase

methemoglobin

[met‚hē·mə′glō·bən]
(biochemistry)
References in periodicals archive ?
Methemoglobin absorbs light equally at these two wavelengths and therefore always has a ratio of absorption of 1, which equates to an oxygen saturation of 85% (5).
Methemoglobin showed insignificant difference between males (1.
Mean Carboxyhemoglobin and Methemoglobin Blood Levels Are Higher in Smokers Smokers Secondhand smokers Nonsmokers (n = 98) (n = 72) (n = 306) Carboxyhemoglobin 5.
The dosage was adjusted weekly to maintain methemoglobin levels at 20-30% of total hemoglobin.
Methemoglobin, in either the congenital or the acquired form, presents an often unrecognized and potentially life-threatening challenge for the patient.
Patients were carefully monitored for methemoglobin levels, and in only two patients did levels rise to the point at which nitric oxide therapy had to be discontinued.
The oxidation of ferrous iron to ferric iron results in methemoglobin (metHb).
Masimo Rainbow SET continuously and noninvasively measures total hemoglobin (SpHb(TM)), oxygen content (SpOC(TM)), carboxyhemoglobin (SpCO([R])), methemoglobin (SpMet([R])), and PVI(TM), in addition to oxyhemoglobin (SpO2), pulse rate (PR), and perfusion index (PI), allowing early detection and treatment of potentially life-threatening conditions.
Given that the SpHb ReSposable Sensor also provides Masimo SET[R] SpO2, pulse rate, perfusion index (PI), methemoglobin (SpMet), and pleth variability index (PVI) measurements, the new sensor pricing makes it possible for SpHb to become a new standard of care for all patients throughout the continuum of care.
The effect of matrix interferences in postmortem blood (such as increased methemoglobin and variable total hemoglobin content) varies between CO-oximeters.
carboxyhemoglobin or methemoglobin, is present will lead to erroneously high SpO2 values because a pulse oximeter cannot differentiate between either carboxyhemoglobin or methemoglobin and oxyhemoglobin.
The objective of this prospective study was to determine if a correlation could be established between the ground-level concentrations of sulfur dioxide and methemoglobin concentrations in pregnant women when a coal-powered thermoelectric power plant was in operation ("dirty" period) and when it was closed ("clean" period).