Thorax Anatomy

by Stuart Enoch, PhD

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    Your main anatomical question will be related to the angle of Louis. So this is your angle of Louis. That corresponds to the lower border of a T4 vertebra and the second intercostal space. I think you had a question in your pre-course assessment, the important structures. You read your answers, but you should know this. What are the important structures? What are the important anatomical points? So if you see a CT scan at this point, what are the things you need to look for? Bifurcation of the trachea? Arch of the aorta. Arch of the aorta, so the ascending. The arch of the aorta. So the end of the ascending aorta and it’s the start of the descending aorta. So that’s there. What else? Azygous vein enters -- Azygous vein enters mostly the SVC at that level, to the superior vena cava. The superior vena cava enters the right atrium at that level. Anything else? Imagine you are seeing a CT section and you’ve seen the T4 vertebra, what else would you expect to see? The thoracic duct. Thoracic duct crosses over from the right to the left at that level. And this is anatomical plane for the superior mediastinum. Superior mediastinum is above this, and the inferior mediastinum is below this. Even though you don’t have to know the anatomy of the heart for the part A, I just quickly draw it so that the rest of it will make sense to you. So, third intercostal space here, sixth intercostal space there, second and apex. So this is the surface anatomy of the heart. So three, six, two, and five, that’s the heart. Then you have the arch of aorta. It divides into left subclavian, left common carotid, and the brachiocephalic trunk. Brachiocephalic trunk divides into common...

    About the Lecture

    The lecture Thorax Anatomy by Stuart Enoch, PhD is from the course Thorax Anatomy. It contains the following chapters:

    • Important anatomical points
    • Branches of the subclavian artery
    • Branches of the axillary artery
    • Hilum of lung
    • Superior mediastinum
    • The Lung

    Included Quiz Questions

    1. Angle of Louis
    2. Mandible
    3. Cricoid process
    4. Fifth rib
    1. Axillary artery
    2. Coronary artery
    3. Celiac artery
    4. Pulmonary artery
    1. Pulmonary artery, Bronchus and Pulmonary vein
    2. Bronchus, Pulmonary artery, pulmonary vein
    3. Bronchus, Pulmonary vein, Pulmonary artery
    4. Pulmonary artery, Pulmonary vein, Bronchus
    1. Posterior mediastinum
    2. Anterior mediastinum
    3. Medial mediastinum
    1. Oblique Fissure
    2. Horizontal Fissure
    3. Lateral Fissure
    4. Vertical Fissure

    Author of lecture Thorax Anatomy

     Stuart Enoch, PhD

    Stuart Enoch, PhD

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