Thorax Surface Anatomy Flashcards
What vertebra level is the suprasternal notch?
T2
What vertebra level is the Sternal angle of Louis?
T4
What is the surface marking for the arch of the aorta?
Sternal angle
What vertebra level is the xiphisternal joint?
T9
What are the borders of the heart?
3rd right costal cartilage
6th right costal cartilage
2nd left costal cartilage
5th left intercostal space, mid clavicular line
What is the surface marking of the pulmonary valve?
3rd left costal cartilage reterosternally
Where is the pulmonary valve best heard?
2nd left intercostal space
What is the surface marking of the aortic valve?
3rd left intercostal space reterosternally
Where is the aortic valve best heard?
2nd right intercostal space
Where is the mitral valve best heard?
5th left intercostal space, mid clavicular line
What is the surface marking of the mitral valve?
4th left costal cartilage reterosternally
What is the surface marking of the tricuspid valve?
4th right intercostal space reterosternally
Where is the tricuspid valve best heard?
4th left intercostal space
What separates the superior mediastium from the inferior?
Angle of Louis
Where do the brachiocephalic veins divide?
Right sternoclavicular joint
What happens at the 1st costal cartilage?
Formation of the SVC
What happens at the 2nd costal cartilage?
Azygous vein drains into superior vena cava
What happens at the 3rd costal cartilage?
SVC empties into right atrium
Where is the oblique fissure found?
Spine of vertebra T2 to 6th costal cartilage
Where is the horizontal fissure found?
4th costal cartilage to oblique fissure
Where does the diaphragm begin?
4th intercostal space on the right
5th intercostal space on the left
