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What is the surface markings of the heart?
- 2nd ICS; left of sternum
- 3rd CC; on the right
- 6th CC; on the right
- 5th ICS; left MCL
What are the two parts of the mediastinum?
- Inferior is divided into posterior, middle, and anterior
What are the layers of the epicardium?
- Serous (Parietal and visceral)
This is a double-walled sac which contains the heart.
This is the space between the parietal pericardium and visceral pericardium
What forms the right border of the heart?
What forms the anterior border of the heart?
- Right ventricle
- Apex of left ventricle
What forms the base (posterior) of the heart?
What forms the left margin of the heart?
The most inferior and lateral part of the heart where you can hear a beat
- Apex beat
- it should be 5th ICS MCL Left
What are branches of RCA?
Where does the RCA arise from? (hint: cusps)
Sinus of anterior aortic cusp
Where does the LCA arise from?
Sinus of the Left Posterior Aortic Cusp
What are the branches of the LCA?
Which branch supplies the cardiac muscle?
Which branch supplies the electrical system of the heart?
What is the main venous drainage of the heart?
- Great, Middle, Small cardiac veins --> Coronary sinus --> right atrium
- Anterior vein --> right atrium
- Thebesian Veins --> chamber
By which arteries do the Great, Middle, and Small cardiac veins run?
- GCV with the AIVA
- MCV with the PIVA
- SCV with the marginal
What is blood supply to left atrium?
What supplies the apex of the heart?
What vertebral levels is the atrium?
This seperates the 2 parts of the atrium (primitive and true atrium)
This is found where the sulcus terminalis meets the SVC
External groove between SVC and IVC
This node is found in the inter-atrial septum just above the coronary sinus.