Module 1 - Functional Anatomy of the Heart

Question 1

Position of heart in the chest

Answer 1

Middle mediastinum
anterior to thoracic vertebrae T5-T8
posterior to sternum
rests on central tendon of the diaphragm

Question 2

Cardiac knotch

Answer 2

The ventricle displaces the left lung, pushing it to the left. This creates the cardiac knotch

Question 3

Three Surfaces of the Heart:

Diaphragmic

Answer 3

formed by the two ventricles where they rest on the central tendon of the diaphragm

apex extends to 5th intercostal space

Question 4

Three Surfaces of the Heart:

Posterior

Answer 4

consists of the two atria, primarily the left

Question 5

Three Surfaces of the Heart:

Sternocostal

Answer 5

Consists of right atrium and right ventricle

Question 6

Four Borders of the Heart:

Right Border

Answer 6

Right atrium, approximately in line with SVC and IVC

Question 7

Four Borders of the Heart:

Inferior Border

Answer 7

extends along 6th costal cartilage and xiphisternal joint

terminates at apex in midclavicular line

right ventricle and tip of left ventricle

Question 8

Four Borders of the Heart:

Left Border

Answer 8

outlined by left ventricle and left atrial appendage

Question 9

Four Borders of the Heart:

Superior Border

Answer 9

begins at 2nd intercostal space on left, and 3rd costal space on the right

marks the origin of the aorta and the pulmonary trunk and the termination of the superior vena cava

Question 10

Fibrous annulus

Answer 10

divides atria from ventricles