Comparative Surfaces Of The Heart Flashcards
What is the anterior (sternocostal) surface formed from? And how is it related to the sternum and ribs?
It’s formed mostly from the right ventricle, the surface is related anteriorly to the sternum and ribs.
What is the inferior (diaphragmic) surface formed of mostly? And what is it related inferiorly to?
The surface is formed mostly by the left and partly from the right ventricle. It is related inferiorly to the centre of the diaphragm.
What is the left (pulmonary) surface mostly formed by? And what is it related laterally to?
It’s formed mostly by the left ventricle and it’s related laterally with the left lung.
What is the cardiac impression?
A depression formed in the lung by the left surface of the heart.
What aspect of the heart is the base of the heart situated? And what vertebrae is it directed towards?
It’s situated on the posterior aspect of the heart and directed towards vertebrae T6-9.
What is the base of the heart mostly formed by and where does it extend to and from?
Formed mostly from the left and partly from the right atrium. It extends from the bifurcation of the pulmonary trunk superiorly, to the atrioventricular groove inferiorly.
Where does the apex of the heart lie?
Posterior to the 5th intercostal space in the midclavicular line.
