Surface anatomy of the heart Flashcards
What vertebrae is the heart immediately in front of?
T5-8
What costal cartilages is the heart immediately behind?
2-6 (when recumbent)
What happens to your heart when you stand up?
Heart descends by a small amount relative to the vertebral column
What is the position of the heart withing the thoracic cavity?
1/3 lies to the right of the medial plane and 2/3 lies to the left
Where does the superior border of the heart extend?
From the 2nd right costal cartilage to the 3rd left
Where does the inferior border of the heart extend?
From the 6th right costal cartilage to the 5th left intercostal space, midclavicular line
Where does the right border extend?
2rd right costal cartilage to the 6th right
Where does the left border extend?
3rd costal cartilage to the 5th left intercostal space, midclavicular line
Where is the apex beat of a normal heart?
5th left intercostal space, midclavicular line
Where is the aortic valve best auscultated?
Upper right sternal border at level of the 2nd right intercostal space
Where is the pulmonary valve best auscultated?
Upper left sternal border at the level of the 2nd intercostal space
Where is the tricuspid valve best auscultated?
Lower left sternal border at level of 4th intercostal space
Where is the mitral valve best auscultated?
Over the apex beat (5th intercostal space, midclavicular line)
