Oxygen saturation.preductal-oxygen saturation.postductal:MFrDiff:Pt:Bld.preductal+Bld.postductal:Qn
oxygen saturation.preductal-oxygen saturation.postductal:mfrdiff:pt:bld.preductal+bld.postductal:qn
SaO2%.pre-post MFrDiff Bld.pre+post
sao2%.pre-post mfrdiff bld.pre+post