Quantitative Multi-Breath Fractional Ventilation Imaging in Voluntarily Breathing Humans

Keywords

abstract accelerated administered administration airways albeit allowed among animals artifacts artificially basis breath breathing breaths bronchi chest coil comparable complicated conditions consciously constant constants continuous contrary coronal defects delivery density described detailed developed device diagnosis directly diseases distribution drastically eliminated enable enabled errors especially evaluated evaluations exhibit extension fact fairly feasibility field finds five fractional good head healthy heterogeneous human humans identical important indicated indicating interpretation investigate judged last least likely lung lungs made maps marker mechanically methodology mixing mixture monitoring mostly nearly neck noninvasive observation obstruction obstructive overall overlaid oxygen pack passive patient poorly prepared prescribed progression proper proportionally protocol pulmonary qualitatively quantitative queued reactive recursive reflections regional remain repeatability report reported require requirement resolution respiratory response serial series several shunt slices smoker sonata spacing spatial spin stage studies subject subjects subsequent suspected synchronized systematic thorax titrated trachea translation transport underwent uniform unusually utilized ventilated ventilation visible volume volumes voluntarily