The difference between the inflation and deflation curves. A wide loop can suggest recruitment of alveoli or significant energy dissipation.
The "Shapes" component often refers to the characteristic appearances of PV loops on a ventilator, which help diagnose underlying patient conditions: Shapes.PalV.3.var
): The pressure in the space surrounding the lungs, influenced by respiratory muscle effort.The relationship is defined by the formula: The difference between the inflation and deflation curves
Palv=Pst+Pplcap P sub a l v end-sub equals cap P sub s t end-sub plus cap P sub p l end-sub Pressure-Volume (PV) Loop Shapes Shapes.PalV.3.var
In medical software or data modeling, .var or .3.var often denotes specific indexed variables. Common "Palv" related variables in advanced monitoring include: