Aortic Stenosis: PV loop shows high peak pressure. Wiggers shows high LV pressure above aortic pressure.

Aortic Regurg: PV loop is wide/shifted right. Wiggers shows low diastolic aortic pressure (wide pulse pressure).

Mitral Stenosis: PV loop is small/shifted left. Wiggers shows high LA pressure during diastole.

Mitral Regurg: PV loop has rounded corners. Wiggers shows high V-wave in the LA pressure trace.