Mediastinum
Superior mediastinum
Boarders
First rib (superior)
T4 (inferior)
Content
Thymus
Trachea
Oesophagus
Thoracic duct
Aortic arch
Veins
Superior vena cava
Brachiocephalic
Left superior intercostal
Nerves
Vagus
Phrenic
Left recurrent laryngeal
Lymphatics
Other small arteries and vein
Mnemonic - Try To Eat Toast And Vitamins Now Little Oliver
Posterior inferior mediastinum
Boarders
T4(superior)
T12 (inferior)
Spine (posterior)
Posterior aspect of pericardium (anterior)
Content
Descending thoracic aorta
Azygos veins, hemiazygos veins, accessory hemiazygos veins
Thoracic duct
Cisterna chyli
Oesophagus, oesophageal plexus
Vagus nerve
Greater, lesser and least Splanchnic nerves
Lymphatics
Mnemonic - on the DATE Vivian Slapped Larry
Middle inferior mediastinum
Boarders
T4 (superior)
T9 (inferior)
Anterior aspect of pericardium (anterior)
Posterior aspect of pericardium (posterior)
Content
Phrenic nerve
Heart
Pericardium
Ascending aorta
Pulmonary trunk
Superior vena cava
Pericardiacophrenic artery
Anterior inferior mediastinum
Boarders
T4 (superior)
T9 (inferior)
Sternum (anterior)
Pericardium (posterior)
Content
Remnants of the thymus
Lymph nodes