The Fetal Heart and Chest
What are signs of Ebstein Anomaly
- enlarged right atrium - fetal hydrops - malpositioned tricuspid valve
Sonographic features of pentalogy Cantrell
- omphalocele - cleft sternum - diaphragmatic defect
Tetralogy of fallot consists of all of the following
- overriding aortic root - VSD - pulmonary stenosis
The normal fetal heart will fill approximately fill ______ of the fetal chest.
1/3
The fetal heart is usually formed by how many weeks?
10 weeks
When is the Herat fully formed by?
10 weeks
In the 3rd tri an average FHR is what?
150 BPM
When does the heart begin to contract?
36-37 days
A heart rate using M-mode should be obtainable with TV when the CRL measures between what?
4-5mm
Eventration of the diaphragm is best described as what
A lack of muscle in the dome of the diaphragm
The normal pulmonary artery should be position ______ to the aorta.
Anterior
The normal pulmonary artery should be positioned ________ to the aorta and should be visualized crossing over it
Anterior
What is the fetal shunt that connects the pulmonary artery to the aortic arch?
Ductus arteriosis
The most common form of diaphragmatic hernia is the:
Foramen of bochdalek
What is the opening located right anteriormedially within the diaphragm?
Foramen of morgagni
The apex of the heart will be angled to the _____ of the midline.
Left
What is the chamber closest to the fetal spine?
Left atrium
EIF is most often seen within the:
Left ventricle
The base of the heart is closest to the ____.
Spine
The LVOT leads to what?
The aorta
The blood returning from the lungs through the pulmonary veins enters into what?
The left atrium
What describes transposition of the great vessels?
The presence of an omphalocele and ectopic cordis
The RVOT leads to what?
The pulmonary artery and branches
Fetal rhabdomyomas are associated with which of the following?
Tuberous sclerosis
The embryonic heart begins as what?
Two tubes
Where is the mitral valve located?
between left atrium and left ventricle
Where is the tricuspid valve located?
between right atrium and right ventricle
The moderator band is located within what?
right ventricle