Introduction: β2–agonists are first election drugs for the treatment of respiratory disease that may
alter cardiac autonomic modulation. The aim of this study was to evaluate the effects of nebulized
Ventolin on electrocardiogram, particularly QTc interval to assess the potential arrhythmogenic
risks.
Methods: A total of 192 patients between 2 months and 15 years which received nebulized
Ventolin were enrolled in this study. Patients were divided into two groups. Electrocardiograms
of patients before and after nebulized Ventolin were taken. Differences between two groups were
assessed using a paired student’s t test.
Results: There was statistically significant differences in QTc before and after Ventolin in each
groups (P