THORACIC OUTLET SYNDROME (TOS) ⠀ [PATHOLOGY & DIAGNOSIS] ⠀ This video (Venogram) is an amazing follow up to my TOS series I posted a few weeks ago! It describes a patient with venous TOS: Provocative test shows right subclavian compression and compromised venous return. ⠀ TOS is a term used to describe a group of disorders that occur when there is compression, injury or irritation of the nerves and/or blood vessels (arteries and veins) in the lower neck and upper chest area. TOS is named for the

Thoracic Outlet Syndrome (TOS) occurs when the nerves or blood vessels between the collarbone and the first rib are compressed. This can lead to pain in the shoulders and neck, and numbness in the fingers. Here is a test you can perform to test for TOS, you’ll need a partner for it:* Have your partner sit comfortably while you feel for their pulse with your index and middle fingers* Gently raise the arm up overhead and note whether the pulse decreasesTested positive or experiencing symptoms? Mov