A wave amplitude:Len:Pt:Heart.valve.XXX:Qn:US
a wave amplitude:len:pt:heart.valve.xxx:qn:us
A wave amplitude:Length:To identify measures at a point in time:Heart.valve.Not specified:Quantitative:Ultrasound
a wave amplitude:length:to identify measures at a point in time:heart.valve.not specified:quantitative:ultrasound