Mediastinum Flashcards

1
Q

Three divisions of the mediastinum

A

Anterior (prevascular)
Middle (visceral)
Posterior (paravertebral)

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2
Q

Contents of the anterior mediastinum

A

Fat
Lymph nodes
Thymus
Left brachiocephalic vein

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3
Q

Contents of the middle mediastinum

A

Heart
Aorta (ascending, arch, descending)
SVC and IVC
Intrapericardial arteries and veins

Trachea and esophagus
Thoracic duct
Lymph nodes

Anterior 1/3 of thoracic spine

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4
Q

Contents of the posterior mediastinum

A

Posterior 2/3 of thoracic spine

Paravertebral soft tissues

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5
Q

Borders of the anterior mediastinum

Superior -
Inferior -
Lateral -

Anterior -
Posterior -

A

Superior - thoracic inlet
Inferior - diaphragm
Lateral - parietal mediastinal pleura

Anterior - sternum
Posterior - pericardium

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