Vascular Physiology 3. Upper and lower extremity arterial conditions other than atherosclerosis. Upper extremity ischemia . Emboli. Heart most likely source of non-atherosclerotic emboli. 10-20% of all cardiac emboli lodge in upper extremity. 70% of all upper ext emboli come from heart.
True neurogenic: Wasting of muscles of hand and hand weakness, with positive electromyography.
Vascular Thoracic Outlet: an arterial or venous lesion is present on angiography.
Duplex and photocell exam is helpful and most likely ordered before angio.
Giant Cell Arteritis: Temporal arteritis and Takayasu’s
Can cause arm claudication or Raynaud’s phenomenon. Uncommon