Helium-3 ADC at Very Short Time Scales Using an SSFP-Based Imaging Pulse Sequence

Keywords

acquisition airway airways alterations alternate alveolar anterior apparent applied applying artifact artifacts averaging balanced basic biomedical bipolar bronchi bulk cancels central coefficient coil consisted consistent contains conventionally coronal decrease defined delivered dependence developed deviation diagnosed diaphragm diffusion diffusivity diluted diseases duration either emphysema emphysematous environment excluding field formula free grade gradient gradients grant greater healthy helium human hybrid illustrated include included includes incorporate incorporated inhaled interleaved john larger length locations long longitudinal lung lungs made magnetization major maps mask materials measure measured measuring medical miller millisecond mostly much near nearly nitrogen noise opposite optimization outside pair partial period physics pixel pixels placing polarized polarizer position previous previously pulse radiology real reduce relatively reported represents resolution restricted restrictive rigid rubidium scales sensitivity sensitization sensitizing short shorter shortest significantly slice slices smaller smoker solutions source spoiled structure subject subjects subtle susceptibility taken term threshold trend triangular typical uniform variations volume volunteer wild window