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Table 1 Estimation of right atrial pressure

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
1.5 - 2.5 <50 10-15
>2.5 >50 15-20
2.5 + dilated 0 >20
  1. Abb: IVC: Inferior vena cava, mRAP: mean right atrial pressure