Diagnosis of vTOS is made by a combination of clinical presentation and noninvasive studies. A duplex ultrasound of the subclavian vein in both the resting position and with the arm abducted to 90° is ...
Thoracic outlet syndrome (TOS) is a group of conditions that occur when you have compressed nerves or blood vessels in the thoracic outlet. The thoracic outlet is the triangular space between your ...