The effects of equipotent doses of racemic albuterol and levalbuterol on heart rate (HR) in intensive care patients with and without baseline tachycardia were studied. Patients were included if ...

In patients with baseline tachycardia, the mean largest HR increase was 1.4 beats/min (1.3%) with albuterol and 2.0 beats/min (2.1%) with levalbuterol (both increases were not significant).