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Diagnostic Planes of the Fetal Heart

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The Fetal Abdomen View

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1. What is the primary purpose of the Abdomen View in the 9-plane fetal cardiac protocol?
Measure femur length Assess fetal heart rate Perform situs assessment Evaluate renal function
2. In normal situs, where is the stomach located relative to the descending abdominal aorta?
Right of the aorta Anterior to the spine Left of the aorta, in the left upper abdomen Posterior to the spine
3. Where is the descending abdominal aorta normally located relative to the fetal spine?
Posterior & right of spine Anterior & left of spine Anterior & right of spine Directly anterior, midline
4. What is the correct positional relationship of the IVC to the descending aorta in normal situs?
IVC posterior & left of aorta IVC anterior & right of aorta IVC anterior & left of aorta IVC posterior & right of aorta
5. As the umbilical vein enters the liver, which direction does its short intrahepatic segment normally curve?
To the left Straight To the right Posteriorly
6. What key structures are evaluated in the fetal abdomen view during echocardiography?
Stomach, umbilical vein, and ductus venosus Aortic arch, pulmonary veins, and stomach Liver, renal arteries, and umbilical cord Small bowel, umbilical arteries, and fetal bladder
7. Why is the fetal abdomen view crucial in fetal echocardiography?
It evaluates the position of the great vessels. It confirms the situs of the heart and abdominal organs. It measures blood flow through the aortic arch. It detects anomalies in the pulmonary veins.
8. What finding in the fetal abdomen view might suggest situs inversus?
The stomach is visualized on the left side. The umbilical vein connects directly to the right atrium. The stomach is visualized on the right side. The liver occupies more than half of the abdominal cavity.
9. Which Doppler feature is commonly assessed in the fetal abdomen view?
Blood flow in the ductus venosus Blood flow in the pulmonary veins Blood flow in the superior vena cava Blood flow in the coronary arteries
10. An abnormal connection between the umbilical vein and the systemic venous system without passing through the liver suggests:
Persistent left superior vena cava Umbilical vein varix Aberrant right subclavian artery Congenital portosystemic shunt