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Subclavian artery position in relation to chest wall

This diagram shows the position of the subclavian arteries in relation to the chest wall. Supraclavicular bruits originating in the subclavian arteries are typically best auscultated at the positions marked X. (Contributed and modified by Dr. Douglas Lanska. Source: Modified from Holden’s Anatomy: A Manual of the Dissection of the Human Body. Volume 1. Scalp, Face, Neck, Thorax, Upper Extremity. Phildelphia: P. Blakiston’s Son & Co., 1901.)