Superior vena cava obstruction; Superior vena cava syndrome
Symptoms occur when something blocks the blood flowing back to the heart. They may begin suddenly or gradually, and may worsen when you bend over or lie down.
Early signs include:
- Swelling around the eye
- Swelling of the face
- Swelling of the whites of the eyes
The swelling will most likely be worse in the early morning hours and go away by mid morning.
The most common symptoms are
Other possible symptoms inclue:
Decreased alertness Dizziness
- Reddish face or cheeks
- Reddish palms
- Reddish mucus membranes (inside the nose, mouth, and other places)
- Redness changing to blueness later
- Sensation of head or ear "fullness"
- Vision changes
Signs and tests
An examination may show enlarged veins of the face, neck, and upper chest.
Blockage of the SVC may be visible on:
Chest x-ray CT scan of the chestor MRI of chest Coronary angiography(a heart blood vessel study) Doppler ultrasound(sound wave test of the blood vessels) Radionuclide ventriculography(nuclear study of heart motion)
This disease may also affect the results of the following tests:
Abdominal MRI Liver scan