Vasculature of the Thorax

Overview

The thoracic vasculature provides essential blood supply to the thoracic organs and acts as a major conduit between the systemic and pulmonary circulations. This section introduces the main arterial and venous pathways within the thorax.

Key Structures

Topics include the aorta, describing its course and major branches, and the superior vena cava, including its formation and tributaries.

Clinical Relevance and Learning Focus

Understanding thoracic vessels is vital for interpreting mediastinal imaging, recognising vascular emergencies, and assessing conditions such as aneurysms, obstruction or venous congestion.

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The Thoracic Wall

Anterior view of the superior vena cava in the thorax.

The Superior Vena Cava

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Illustration showing the deep branch of the radial nerve piercing the supinator muscle, identified as the posterior interosseous nerve.
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