Cardiovascular System - Dry Room St. 1 and 2 Flashcards
What is the mediastinum divided into?
- Superior
- Inferior
What is the inferior mediastinum subdivided into?
- Anterior
- Middle
- Posterior
What divides the superior and inferior mediastinum?
Sternal angle
Which bone forms the anterior border of the superior mediastinum and what vertebra form the posterior border?
- Manubrium
- T1-T4
What main arteries and veins are found in the superior mediastinum?
- Aortic arch
- Brachiocephalic artery
- Left common carotid artery
- Left subclavian artery
- L&R brachiocephalic
- SVC
What nerve structures, airways and other tubular organs are found in the superior mediastinum?
- Vagus nerve
- Phrenic nerve
- Trachea
- Oesophagus
What part of the mediastinum is the thymus found?
- Extends from superior to anterior inferior
Where in the mediastinum is the heart and pericardium?
- Middle inferior
Where in the mediastinum is the descending aorta found?
Posterior inferior
Where in the mediastinum is the oesophagus?
Posterior in the superior and inferior
Where in the mediastinum is the azygos vein found?
Cervical region in posterior mediastinum
Heart borders
Surface marking of the apex?
5th intercostal space mid clavicular line
Which heart chambers form the right border of the heart?
- RA
Which heart chambers form the left border of the heart
- LV
Which heart chambers form the inferior border of the heart?
- RV
Which heart chambers form the superior border of the heart?
- RA
- RV
Which heart chambers form the sternocostal surface of the heart?
- RA
- LV
- RV
Which heart chambers form the base of the heart?
LA
Which heart chambers form the diaphragmatic surface of the heart?
- RV
- LV
What bone does the heart sit posteriorly to?
Sternum
What vertebrae does the heart sit anterior to in the supine position?
T5 - T9 (will descend slightly on standing up)
What structure does the inferior border of the heart lie on?
Diaphragm
