Superior mediastinum

complete

what vertebral level does the sternal angle correspond to?

T4/5

what anatomical structure is located deep to the sternal angle?

the arch of the aorta

what vertebral level does the trachea begin at?

C6

what vertebral level is the carina at?

T4/5

what is another name for the thoracic inlet?

superior thoracic aperture

what does the left side of the manubrium lie anterior to?

the arch of the aorta

what does the right side of the manubrium lie anterior to?

the junction of the brachiocephalic veins, where they unite to form the SVC

which costal cartilage does the superior vena cava begin at?

right 1st costal cartilage

which costal cartilage does the superior vena cava enter the right atrium of the heart?

right 3rd costal cartilage

what does the azygous vein arch over to join the superior vena cava?

the root of the right lung

what approximate level does the azygous vein join the SVC?

sternal angle

what is the left recurrent laryngeal nerve closely related to?

the left main brooches and hilum of the left lung

what is the aorticopulmonary window?

the region between the pulmonary artery and the aorta through which the left recurrent laryngeal nerve passes

what is the recurrent laryngeal nerve a motor branch of?

the vagus nerve

what does the left recurrent laryngeal nerve hook around?

the aortic arch

what does the right recurrent laryngeal nerve hook around?

the right subclavian artery

what muscles does the recurrent laryngeal nerve supply?

the intrinsic laryngeal muscles bar the cricothyroid

what may produce a recurrent largyngeal nerve palsy?

enlarged left atrium (like in mitral stenosis)

what does the left vagus nerve lie between?

the left common carotid and left subclavian artery

what is the first branch of the aortic arch?

the brachiocephalic trunk

what does the right vagus nerve lie posterolateral to?

the right brachiocephalic vein

what ascends through the superior mediastinum on the left side of the oesophagus?

the thoracic duct

what supplies the phrenic nerves?

C3,4,5

what do the phrenic nerves supply?

the pericardium, mediastinal parietal pleura, diaphragm, diaphragmatic pleura and diaphragmatic peritoneum