title: Slow pulse and systolic murmur in a healthy toddler.
mesh_terms: D001919:Bradycardia / Q000209:etiology / Q000503:physiopathology*; D004452:Echocardiography; D004562:Electrocardiography; D006326:Heart Auscultation; D006327:Heart Block / Q000150:complications / Q000151:congenital / Q000503:physiopathology*; D006337:Heart Murmurs; D006801:Humans; D007223:Infant; D008297:Male