Thorax Flashcards
1
Q
What structures pass the diaphragm at T8?
A
Inferior vena cava
Terminal branches of right phrenic nerve
2
Q
What structures pass the diaphragm at T10?
A
Oesophagus
Right and left vagus nerves
Oesophageal branches of left gastric artery/vein
3
Q
What structures pass the diaphragm at T12?
A
Aorta
Thoracic duct
Azygous vein
4
Q
What innervates the diaphragm?
A
Left and right phrenic nerve C3-5
5
Q
What are the borders of the superior mediastinum?
A
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.
6
Q
Whats in the superior mediastinum?
A
Superior vena cava Brachiocephalic veins Arch of aorta Thoracic duct Trachea Oesophagus Thymus Vagus nerve Left recurrent laryngeal nerve Phrenic nerve
7
Q
Contents of posterior mediastinum?
A
Oesophagus Thoracic aorta Azygos vein (Arch is in middle mediastinum) Thoracic duct Vagus nerve Sympathetic nerve trunks Splanchnic nerves
8
Q
contents of anterior mediastinum?
A
Thymic remnants
Lymph nodes
Fat
9
Q
contents of middle mediastinum?
A
Pericardium Heart Aortic root Arch of azygos vein Main bronchi Phrenic nerves
10
Q
What structures are at Angle of Louis?
A
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
11
Q
Root of lung
A
