Abstract
Oxygen inhalation led to subtle but readily detectable changes on T2*-weighted images with a conventional MR imager at 1.5 T. We attribute the increase in local signal intensity to changes in blood oxygenation, in particular to a net conversion of deoxyhemoglobin to oxyhemoglobin.
MeSH terms
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Administration, Inhalation
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Brain / anatomy & histology*
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Contrast Media / administration & dosage*
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Hemoglobins / metabolism
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Humans
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Image Enhancement
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Magnetic Resonance Angiography / methods
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Magnetic Resonance Imaging / methods*
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Oxygen* / administration & dosage
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Oxygen* / blood
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Oxyhemoglobins / metabolism
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Reference Values
Substances
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Contrast Media
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Hemoglobins
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Oxyhemoglobins
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deoxyhemoglobin
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Oxygen