Cardiovascular System - Dry Room St. 1 and 2 Flashcards
What is the mediastinum divided into?
- Superior
- Inferior
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What is the inferior mediastinum subdivided into?
- Anterior
- Middle
- Posterior
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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
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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
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What nerve structures, airways and other tubular organs are found in the superior mediastinum?
- Vagus nerve
- Phrenic nerve
- Trachea
- Oesophagus
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What part of the mediastinum is the thymus found?
- Extends from superior to anterior inferior
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Where in the mediastinum is the heart and pericardium?
- Middle inferior
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Where in the mediastinum is the descending aorta found?
Posterior inferior
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Where in the mediastinum is the oesophagus?
Posterior in the superior and inferior
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Where in the mediastinum is the azygos vein found?
Cervical region in posterior mediastinum
Heart borders
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Surface marking of the apex?
5th intercostal space mid clavicular line
Which heart chambers form the right border of the heart?
- RA
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Which heart chambers form the left border of the heart
- LV
Which heart chambers form the inferior border of the heart?
- RV
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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
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Which heart chambers form the base of the heart?
LA
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Which heart chambers form the diaphragmatic surface of the heart?
- RV
- LV
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What bone does the heart sit posteriorly to?
Sternum
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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
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