Session 1 Mediastinum Flashcards
Contents of the Mediastinum
Heart, Great Vessels
Oseophagus
Trachea-bifurcation
Thymus
Thoracic Duct
Lymph nodes
Phrenic and Vagus N
Boundaries
Superior- superior thoracic inlet
Inferior- diaphragm
Anterior Sternum, Costal Cartilage
Posteriorly: thoracic vertbrae
Functions of the Mediastinum
mobile region
contains structures that have hollow insides (get passage air fluid)
Accommodate movement, volume and pressure
Transverse Thoracic Plane, what landmarks happen?
Level where the trachea bifurcates
Concavity of the aortic arch
Lies just above the bifurcation of the pulmonary trunk
Inferior- Anterior Mediastinum contains-
thymus
sternopericardial lig
few lymph nodes
branches of the internal thoracic vessels
Middle Mediastinum
Heart and adjoining great vessels
adjoining lung roots
phrenic n
Posterior Mediastinum
Oseophagus
thoracic aorta
azygos, hemiazygos and accesory hemiayzgos veins
thoraic duct and lymph nodes