title: Q-T interval in sinus arrhythmia.
mesh_terms: D001146:Arrhythmia, Sinus / Q000503:physiopathology*; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male