title: Exertional chest pain in a five-year-old boy.
mesh_terms: D002675:Child, Preschool; D003937:Diagnosis, Differential; D006331:Heart Diseases / Q000175:diagnosis; D006334:Heart Function Tests; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis*; D008297:Male; D010146:Pain / Q000175:diagnosis*; D005082:Physical Exertion; D013909:Thorax