3He PO2 Mapping Is Limited by Delayed-Ventilation & Diffusion in Chronic Obstructive Pulmonary Disease

Keywords

abnormalities academic according acquisitions apparent assumes assumption away blue body breath cause chronic clearly coefficient coil concentration condition confirming coronal course coverage decay defects defined delay delayed dependent depicted depletion diffusion disease disentangled dynamic effectiveness either emphysematous erroneous error even experience experiences final findings flow full funded gold gradient green guidelines healthy heterogeneity history hold in vivo inhalation inhaled initially inter invalidates kingdom leading limited limits lung lungs magenta mapping maps martin masked measured measures mechanisms mitigated moderate movement moving negative obstructive obvious oxygen paradoxical pathology patient patients peak phys physical pixel plots positioned previously prone published pulmonary pulsing quantitative radiology reached receive regional related returned scanned sensitive severe situation slice slow source sources south spatially spoiled static support system throughout transmit unconstrained underestimation unrealistic unrestricted unventilated vary varying ventilation vest volume volumes volunteer volunteers whole wild