1+ Small amount of contrast in the left ventricle during diastole that clears with each beat and never completely fills the left-ventricular chamber
2+ Faint opacification of the entire left ventricle
3+ Dense opacification of the left ventricle (as dense as the aorta)
4+ Complete and dense opacification of the left ventricle during the first cardiac cycle and the left ventricle is more densely opacified than the aorta
Acute AR
Severe volume load on LV
Dramatic rise in LVDP which nears aortic diastolic pressure