From: The value of hepatic diffusion-weighted MR imaging in demonstrating hepatic congestion secondary to pulmonary hypertension
IVC-diameter- cm
Respiratory Motion%
mRAP(mmHg)
<1.5
100
<5
1.5 - 2.5
>50
5-10
<50
10-15
>2.5
15-20
2.5 + dilated
0
>20