Guys. Arm DVTs are not the way that a PED ’hypercoagulability’ would present. It’s generally a result of external vein compression by structures in the neck, namely the first rib.
Arm DVT not related to malignancy or central catheters/pacemakers is mostly due to ‘Venous Thoracic Outlet Syndrome”, also known as ‘Paget Schroetter’ (?sp). Bulking up shoulder muscles is a common cause, especially smaller ones such as the anterior scalene. Pitchers are the classic population who get these weird muscular hypertrophied.
A poster asked why first rib removal is generall performed in athletes (+/- dissolving the clot before longer term blood thinners). It is the location of vein compression, and happens to be where the anterior scalene attaches.
And because nobody has really heard of this outside niche medical specialties, including many doctors, it is under diagnosed.
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