title: A simple esophageal electrode for use in infants and children.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D002404:Catheterization; D002648:Child; D004562:Electrocardiography / Q000379:methods*; D004566:Electrodes; D004947:Esophagus / Q000502:physiology*; D006801:Humans; D007223:Infant