Class notes
The mediastinum
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Lecture notes of 13 pages for the course Medicine at QUB (Respiratory Anatomy)
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MEDIASTINUMDivisions of the thoracic
cavity
pulmonary mediastinum
cavities I
I superior inferior
lungs pleura a 2
Anterior Middle Posterior
Mediastinum
Transverse thoracic
Plane Passes through stema
angle Angle of Louis the
manubriosternaljointand
TYSintervertabriedisc
Itseperates the superiorand inferior mediastinal
, Middle mediastinum Pericardium
hearts parts of the
great vessels
main bronchi nerves and
lymph
nodes
Anterior Posterior mediastinum
Anterior mediastinum is the
smallest division accessed via a
Sterno to
my
Sterno to
my median incision
between jugular notch and
xiphoid process
Osteotomy with saw to cut
sternum in midline
Sternum is retracted
Sterno pericardial ligaments that attach the pericardium
to the internal aspect of the sternum are separated
with the fingers
Partial sternotomy and thoracotomy are alternatives
for access to the thorax
Anterior mediastinum
Posterior to the
body of the sternum
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