Solutions
50% of fetuses diagnosed with tetralogy of Fallot (TOF) have
chromosomal anomalies, most commonly Correct Answers
DiGeorge syndrome and trisomy 21
A defect of the inlet, outlet, trabecular, or apical portion of the
fetal septum involves the Correct Answers ventricular septum
A fetal sustained heart rate of 100 bpm or less is termed Correct
Answers Bradyarrhythmias
A heart positioned in the right chest with the Apex pointing right
is labeled Correct Answers Dextrocardia
A long axis view of what demonstrates the LVOT Correct
Answers The aorta
A long axis view of which artery demonstrates the RVOT
Correct Answers The pulmonary artery
A midline heart is called Correct Answers Mesocardia
A normal heart orientation is called Correct Answers
Levocardia
A right sided aortic arch is present in what percent of patients
with truncus arteriosus Correct Answers 30%
, A right sided heart with the Apex pointing left is called Correct
Answers Dextroposition
A syndrome, that includes aortic atresia, a small left ventricle,
and mitral valve atresia is Correct Answers HLHS (hypoplastic
left heart syndrome)
An abnormally large right atrium and abnormally small right
ventricle is an indication of Correct Answers Ebstein's anomaly
Angling the transducer toward the fetal right shoulder from the
four chamber view allows evaluation of what Correct Answers
Aorta and left ventricular outflow tract (LVOT)
ASD stands for Correct Answers atrial septal defect (this defect
allows blood from the SVC or IVC to pass through the defect,
causing a right to left shunt)
ASDs are best seen in which view Correct Answers The four
chamber subcostal view
At approximately 27 days what begins to develop Correct
Answers The endocardial cushions (separating the atria and
ventricles)
Atrial ventricular septal defects (AV canal or endocardial
cushion defects) occur when Correct Answers The endocardial
cushion of the heart failed to fuse properly (associated with all
three major trisomy's)