title: Severe bradycardia and nodal rhythm complicating cryopexy for retinopathy of prematurity.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000188:drug therapy / Q000209:etiology* / Q000503:physiopathology; D001283:Atrioventricular Node; D001285:Atropine / Q000627:therapeutic use; D001919:Bradycardia / Q000188:drug therapy / Q000209:etiology* / Q000503:physiopathology; D003452:Cryosurgery / Q000009:adverse effects*; D004562:Electrocardiography; D006329:Heart Conduction System; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D012024:Reflex, Oculocardiac; D012178:Retinopathy of Prematurity / Q000601:surgery*
chemical_list: D001285:Atropine