Intravascular systolic:Pres:Enctr^frst:Arterial system:Qn
intravascular systolic:pres:enctr^frst:arterial system:qn
Intravascular systolic:Pressure:Duration of an encounter^First value observed during an interval:Arterial system:Quantitative
intravascular systolic:pressure:duration of an encounter^first value observed during an interval:arterial system:quantitative