Ch 33 Fetal Echocardiography

Question 1

In the ____ week of gestation the vascular system begins to fuse, thus forming the primitive heart

Answer 1

3rd week

Question 2

Umbilical views return ________ blood from the placenta

Answer 2

oxygenated blood

Question 3

caudal regression of the primitive heart; receives all blood returning to the heart and is initially a separate chamber that opens into the RIGHT atrium

Answer 3

Sinus venous

Question 4

The bulbous cordis develops into the _______

Answer 4

Right ventricle

Question 5

During the ___ and ___ week of development the division of the 4 chambers occur

Answer 5

4th and 5th week

Question 6

The _____ grows from the dorsal wall of the primitive atrium and fuses with the endocardial cushions

Answer 6

Septum Primum

Question 7

There is an opening between the free edge of the septum secundum and the dorsal wall of the atrium called the _______

Answer 7

Foramen ovale

Question 8

The sino-artial node forms in the wall of the sinus venous near its opening into the _____

Answer 8

right atrium

Question 9

bradycardia is less than ___ bpm

Answer 9

60

Question 10

tachycardia is more than ___ bpm

Answer 10

200

Question 11

If communication persists between the aorta and the pulmonary artery it is called _________

Answer 11

patent ductus arteriosis

Question 12

Communication is open between the right and left sides of the heart through the _____ and between the aorta and the pulmonary artery via the _______

Answer 12

Fossa ovale

Ductus arteriosis

Question 13

What is used to evaluate cardiac motion and heart rate?

Answer 13

Motion- mode

Question 14

______ defect occurs when the foramen oval fails to close and persists after birth

Answer 14

atrial septal defect

Question 15

____ lies closest to the chest wall

Answer 15

The RIGHT ventricle

Question 16

The _____ lies closest to the fetal spine; ____ lies closest to the left hip

Answer 16

Left atrium ; Left ventricle

Question 17

valve between the left ventricle and left atrium

Answer 17

Mitral valve

Question 18

valve between the right ventricle and right atrium

Answer 18

Tricuspid valve

Question 19

The tricuspid valve is located just slightly ____ to the mitral valve

Answer 19

inferior

Question 20

a gestational age of 20 weeks should show a normal aortic measurement of __ mm

Answer 20

4 mm

Question 21

The normal septal thickness should correspond to gestational age; 2nd trimester septum should measure about __ to __ mm;
3rd trimester septum should measure UNDER __mm

Answer 21

2 to 2.5 mm

under 4 mm

Question 22

The ____ is a view of the heart that shows the pulmonary artery arising from the right ventricle

Answer 22

RVOT

Question 23

The ____ is a view of the heart that shows the ascending aorta arising from the left ventricle

Answer 23

LVOT

Question 24

What is considered to be the 5th chamber?

Answer 24

the aortic root

Question 25

There are 4 pulmonary veins that bring blood from the lungs into the posterior wall of the ____. * 2 upper left and right * 2 Lower right and left {right lower pulmonary view is not imaged in 4 chamber}

Answer 25

Left atrium

Question 26

What separates the left and right heart?

Answer 26

Interventricular septum

Question 27

Separates the right and left atria; atrial septal defect {ASD} if persists after birth

Answer 27

Foramen ovale

Question 28

Veins that returns blood from the yolk sac

Answer 28

VITELLINE VEINS

Question 29

veins that return blood from the embryo

Answer 29

CARDINAL VEINS

Question 30

Vein that returns oxygenated blood from the placenta

Answer 30

UMBILICAL VEINS

Question 31

On the 4 chamber view, all the pulmonary veins are imaged except for the _____

Answer 31

Right LOWER vein