Practice Test Geeks(FE) Fetal Echocardiography Certification Practice Test
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FE Arrhythmias & Cardiac Function Flashcards

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  1. Complete fetal heart block is most strongly associated with which maternal antibody?

    Answer: Anti-Ro/SSA and anti-La/SSB antibodies

    Maternal anti-Ro/SSA and anti-La/SSB antibodies cross the placenta and can damage the fetal AV node, causing congenital complete heart block.

  2. In complete heart block, the characteristic echocardiographic finding is:

    Answer: Atrial rate higher than ventricular rate with no AV relationship

    Complete heart block shows complete AV dissociation with the atrial rate (normal) being faster than the slow ventricular escape rate.

  3. Which fetal cardiac condition is most commonly associated with complete heart block in the absence of maternal antibodies?

    Answer: Left atrial isomerism (polysplenia)

    Left atrial isomerism (polysplenia syndrome) is associated with AV nodal abnormalities and is the most common structural cause of congenital complete heart block.

  4. Fetal atrial flutter is characterized by:

    Answer: Regular atrial rate of 300–500 bpm with variable AV conduction

    Atrial flutter features a rapid, regular atrial rate of 300–500 bpm, typically with 2:1 AV block producing a ventricular rate of 150–250 bpm.

  5. Which echocardiographic technique can assess fetal PR interval to detect first- and second-degree heart block?

    Answer: Tissue Doppler imaging (TDI) of AV valves

    Tissue Doppler imaging can measure the mechanical PR interval by assessing the timing of atrial and ventricular wall motion, enabling detection of AV conduction delays.

  6. A fetal heart rate below 100 bpm for more than 10 seconds is defined as:

    Answer: Fetal sinus bradycardia

    Fetal sinus bradycardia is defined as a sustained fetal heart rate below 100 bpm and requires investigation for underlying causes.

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FE Arrhythmias & Cardiac Function Flashcards — FE Study Cards with Answers