Minor axis.end systole/Body surface area:ArLen:Pt:Heart.atrium.left:Qn:US.2D
minor axis.end systole/body surface area:arlen:pt:heart.atrium.left:qn:us.2d
Left atrial Minor axis at end systole (by US 2D)/Body surface area
left atrial minor axis at end systole (by us 2d)/body surface area