Lynette Masters Neuroradiologist
Lynette Masters Neuroradiologist
Lynette Masters Neuroradiologist
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“BOLD” IMAGING• Microvascular MR signal is stronglyinfluenced by the oxygenation state of Hb• deoxyHb (paramagnetic) tends to reduce thelocal MR signal by creating microscopicfield gradients• changes in oxygen saturation produce the“blood oxygenation level dependent-BOLD ” effect