S' wave amplitude.lead V2:Elpot:Pt:Heart:Qn:EKG
s' wave amplitude.lead v2:elpot:pt:heart:qn:ekg
S' wave amplitude.lead V2:Electrical Potential (Voltage):To identify measures at a point in time:Heart:Quantitative:EKG
s' wave amplitude.lead v2:electrical potential (voltage):to identify measures at a point in time:heart:quantitative:ekg