Position.heart:Find:Pt:Thorax^Fetus:Nar:US
position.heart:find:pt:thorax^fetus:nar:us
Position.heart:Finding:To identify measures at a point in time:Thorax^Fetus:Narrative:Ultrasound
position.heart:finding:to identify measures at a point in time:thorax^fetus:narrative:ultrasound