“…Of the 32 events with outcome details, all resolved; 1 specified resolution was after no change in treatment, 8 after dose adjustments/temporary discontinuation (the majority were retitrated to the planned dose), and 12 after early discontinuation of treatment. 27 Bradycardia was reported in ≥5% of patients per article in 7 articles 47,49,50,71,81,84,89 ; all 33 events were considered mild/ not clinically significant, transient, or asymptomatic. Dyme et al 49 observed a significant reduction in HR within 1 hour of propranolol administration (nonsignificant variation observed up to 5 hours).…”