15. Middle Mediastinum
Contents:
Heart enclosed in pericardium
Arteries: Ascending Aorta,
Pulmonary trunk with its Lt &
Rt branches
Veins: SVC, Termination of Azygos,
Pulmonary veins
Nerves: Phrenic, Deep cardiac plexus
Bifurcation of Trachea with
two principal bronchi
Tracheobronchial lymph nodes
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19. Applied Anatomy:Applied Anatomy:
Mediastinitis
From infections of neck
Pus under prevertebral fascia reachPus under prevertebral fascia reach
till T4 only, not beyond it, as PV fasciatill T4 only, not beyond it, as PV fascia
is attached hereis attached here
Pus b/w pretracheal and prevertebralPus b/w pretracheal and prevertebral
fascia seeps through sup.fascia seeps through sup.
Mediastinum to reach post.Mediastinum to reach post.
MediastinumMediastinum
In front of pretracheal fascia to antIn front of pretracheal fascia to ant
mediastinummediastinum
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