10-year-old Girl in Pediatrics — 10yo Child | Pediatric Cardiology | SMLE Q#18101
SMLE Question #18101
Pediatrics
Pediatric Cardiology
Objective: OBJ-283
Last updated: February 2026
A 10-year-old girl collapses suddenly while running at school. She loses consciousness without warning and recovers spontaneously within 1 minute. She denies chest pain, palpitations, fever, or seizure activity. She has no medical history and takes no medications. A paternal uncle died suddenly at 28 years. Cardiac examination shows a grade 2/6 ejection systolic murmur at the left sternal border; neurologic examination is normal. What is the most appropriate next step in evaluation?
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