The diagnosis can be made clinically by observing the patient when in the right sided position where you can see multiple dilated veins over abdomen due to collaterals. Ultrasound with Doppler flow measurement may be used to assess the IVC and circulatory system.
Inferior vena cava syndrome
Superior vena cava syndrome
Mediastinitis
Aortocaval compression syndrome
Subclavian steal syndrome
Pulmonary hematoma
COACH syndrome
Fat embolism syndrome