Both Internal jugular veins and both vertebral veins on right and left were examined with the patient sitting and supine.
Increased venous return was detected in the sitting position in the vertebral veins on both sides howere, this was not persistent in the supine position.
The internal jugular vein bilaterally demonstrated normal phasic signals.
No evidence Crossed Out: of occlusive venous disease is demonstrared.
Carol . Thanks for your replies.[/b]