P wave:NRat:Pt:Heart.atria:Qn:EKG
p wave:nrat:pt:heart.atria:qn:ekg
P wave:Number=Count/Time:To identify measures at a point in time:Heart.atria:Quantitative:EKG
p wave:number=count/time:to identify measures at a point in time:heart.atria:quantitative:ekg