Aortocaval Fistula: A Rare Cause of Venous Hypertension and Acute Renal Failure

Table 2

Oxygen saturation (%) measured during cardiac catheterization.

Pulmonary artery	89
Right ventricle	86
Right atrium	87
Superior Vena Cava	64
Inferior vena cava	93
Femoral artery	98