RIU 436 Lecture Notes - Lecture 43: Ulnar Artery, Subclavian Artery, Hamate Bone

• School: GVSU
• Department: Radiation and Imaging - Ultrasound
• Course: RIU 436
• Professor: Miram Teft

Document Summary

Permanent localized dilation resulting in 50% increase in diameter of an artery compared to the adjacent normal artery. Often occur in subclavian artery in association with tos. Associated more with axillary, brachial, radial,and ulnar arteries. Arterial degeneration of ulnar artery as it passes deep to hook of hamate bone. Associated with repeated use of palm of hand as a hammer. Difficult to visualize due to subtle changes and/or location near bony landmarks. Important to document diameter measurements and mural thrombus. Thrombi that attach to the wall of a blood vessel and cardiac chamber. A vasculitis that is likely autoimmune in nature, affecting the arteries of the aortic arch and its major branches. Result in long segment occlusion or stenosis of affected arteries. Acutely, associated with fever, malaise, arthralgias, and myalgias. Lab studies show elevated erythrocyte sedimentation rate and c-reactive protein. C-reactive protein- inflammatory marker producer created by the liver. Steroid and immunosuppressive medication are primary treatment.