From the Food and Drug Administration.
Nightingale
S L
SL
D016907:Adverse Drug Reaction Reporting Systems; D001145:Arrhythmias, Cardiac / Q000601:surgery; D001283:Atrioventricular Node / Q000601:surgery; D017115:Catheter Ablation / Q000295:instrumentation*; D006801:Humans; D014481:United States; D014486:United States Food and Drug Administration