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 DeCS Categories

E01 Diagnosis .
E01.370 Diagnostic Techniques and Procedures .
E01.370.350 Diagnostic Imaging .
E01.370.350.750 Spectroscopy, Near-Infrared .
E05 Investigative Techniques .
E05.196 Chemistry Techniques, Analytical .
E05.196.867 Spectrum Analysis .
E05.196.867.851 Spectroscopy, Near-Infrared .
 
 Terms
 Synonyms & Historicals
Documents
LILACS e MDL
 
Spectroscopy, Near-Infrared .
NIR Spectroscopies .
Near-Infrared Spectrometries .
Near-Infrared Spectrometry .
Near-Infrared Spectroscopies .
Near-Infrared Spectroscopy .
Spectrometries, Near-Infrared .
Spectrometry, Near Infrared .
Spectroscopies, NIR .
Spectroscopies, Near-Infrared .
Spectroscopy, NIR .
Spectroscopy, Near Infrared .
NIR Spectroscopy .
Spectrometry, Near-Infrared .
A noninvasive technique that uses the differential absorption properties of hemoglobin and myoglobin to evaluate tissue oxygenation and indirectly can measure regional hemodynamics and blood flow. Near-infrared light (NIR) can propagate through tissues and at particular wavelengths is differentially absorbed by oxygenated vs. deoxygenated forms of hemoglobin and myoglobin. Illumination of intact tissue with NIR allows qualitative assessment of changes in the tissue concentration of these molecules. The analysis is also used to determine body composition. .
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