normal to severe pressures and velocities

normal mitral diastolic flow

0.6 - 1.4 m/sec

normal tricuspid diastolic flow

0.4 - 0.8 m/sec

normal pulmonary systolic flow

0.5 - 0.9

normal aortic systolic flow

0.9 - 1.8 m/sec

mild aortic jet velocity

2.6-2.9 m/s

severe aortic jet velocity

>4.0 m/s

mean gradient for the aorta (mild)

<20 mmHg

mean gradient for aorta (severe)

>40 mmHg

Mild AVA

> 1.5 cm²

severe AVA

<1.0 cm²

normal AVA

3.0-4.0

mild AoV dimensionless index

>0.50

severe AoV dimensionless index

<0.25

mild peak velocity for pulmonary stenosis

<3.0

severe peak velocity for pulmonary stenosis

>4.0

severe MVA

<1.0

mild MVA

>1.5

normal MVA

4-5 cm²

severe pulm. artery pressure for mitral stenosis

>50

mean PG for MV stenosis

13 mmHg

severe JH/LVOT ratio

>65%

mild JH/LVOT ratio

<25%

mild Ao P1/2 time

>500 msec

severe Ao P1/2 time

<200 msec

severe JA/LAA ratio

>40%no

normal LV dP/dt

>1200 mmHg/sec

systolic MR velocity

4.5-5 m/sec

ME 5 chamber view degrees

0-10

ME 4 chamber degrees

0-10

ME mitral commissural degrees

50-70

ME 2 chamber degrees

80-100

ME long axis degrees

120-140

O₂ saturation in pulmonary veins and continues to the end of the systemic arteries? (LA, LV, Ao)

95%

O₂ saturation in the systemic veins and continues to the pulmonary arteries?

75%