Breathing in Pediatrics — 14yo Child | Pediatric Cardiology | SMLE Q#16724
SMLE Question #16724
Pediatrics
Pediatric Cardiology
Objective: OBJ-283
Last updated: February 2026
A 14-year-old boy comes for a routine well-child visit. He has no history of chest pain, exertional dyspnea, syncope, palpitations, or exercise limitation. Cardiac examination shows an irregularly irregular rhythm without murmurs or signs of heart failure. A rhythm strip shows normal P waves and cyclic variation in the R–R interval with breathing. What is the most likely prognosis for this patient?
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