What structures pass the diaphragm at T8?
Inferior vena cava
Terminal branches of right phrenic nerve
What structures pass the diaphragm at T10?
Oesophagus
Right and left vagus nerves
Oesophageal branches of left gastric artery/vein
What structures pass the diaphragm at T12?
Aorta
Thoracic duct
Azygous vein
What innervates the diaphragm?
Left and right phrenic nerve C3-5
What are the borders of the superior mediastinum?
Superior – Thoracic inlet. Inferior – Continuous with the inferior mediastinum at the level of the sternal angle- T4 Anterior – Manubrium of the sternum. Posterior – Vertebral bodies of T1-4. Lateral – Pleurae of the lungs.
Whats in the superior mediastinum?
Superior vena cava Brachiocephalic veins Arch of aorta Thoracic duct Trachea Oesophagus Thymus Vagus nerve Left recurrent laryngeal nerve Phrenic nerve
Contents of posterior mediastinum?
Oesophagus Thoracic aorta Azygos vein (Arch is in middle mediastinum) Thoracic duct Vagus nerve Sympathetic nerve trunks Splanchnic nerves
contents of anterior mediastinum?
Thymic remnants
Lymph nodes
Fat
contents of middle mediastinum?
Pericardium Heart Aortic root Arch of azygos vein Main bronchi Phrenic nerves
What structures are at Angle of Louis?
T4-T4
RAT PLANT Rib (2nd costal cartilage) Arch of aorta Trachea bifurcation Pulmonary trunk bifurcation Left recurrent laryngeal Azygos system drains to SVC N- erves cardiac plexus T- Thoracic duct drains into left subclavian vein and crosses to the midline
Root of lung