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Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling
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Médecine
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Journal JoVE Médecine
Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling

Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling

DOI:
10.3791/2712-v

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12:29 min

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May 30, 2011

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, , , , , , , ,
1Médecine,University of California San Diego – UCSD, 2Bio-ingénierie,University of California San Diego – UCSD, 3Radiology,University of California San Diego – UCSD

Chapitres

  • 00:05Titre
  • 03:40Imaging Setup
  • 05:28The Scanning Session
  • 09:07Switching the Inspiratory Gases and Post Processing
  • 10:53Representative Physiological Data and Imaging Results
  • 12:02Conclusion

Summary

Traduction automatique

Traduction automatique

A MR imaging method to study the distribution of pulmonary blood flow under a variety of physiological conditions, in this case exposure to three different inspired oxygen concentrations: hypoxia, normoxia, and hyperoxia, is described. This technique utilizes human pulmonary physiology research techniques in an MR scanning environment.

Tags

Magnetic Resonance ImagingPulmonary PerfusionCalibrated Arterial Spin LabelingMR Imaging MethodSpatial DistributionPulmonary Blood FlowHealthy SubjectsNormoxiaHypoxiaHyperoxiaPhysiological ResponsesMR Scan EnvironmentSagittal SliceRight LungFunctional Residual CapacityArterial Spin Labeling SequenceMulti-echo Fast Gradient Echo SequenceDensity-normalized PerfusionVoxelPneumatic Switching ValveFacemaskNon-rebreathing ValveOxygen ConcentrationsInspired Gas TubingMetabolic CartExpiratory GasOxygen ConsumptionCarbon Dioxide ProductionRespiratory Exchange RatioRespiratory FrequencyTidal VolumeHeart RateOxygen Saturation

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