Multicenter, Phase 2, Randomized Controlled Study of the Efficacy and Safety of Etripamil Nasal Spray for the Acute Reduction of Rapid Ventricular Rate in Patients With Symptomatic Atrial Fibrillation (ReVeRA-201)Circulation: Arrhythmia and Electrophysiology-Alings, dr. A.M.W.; Eck, dr. J.W.M. van; AL Windy, drs. N.Y.Y.-ReVeRa-201-Arrhythmia