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Objective  Tachycardia is a potential side effect of salbutamol inhalation. We aimed to study the short-term effect of salbutamol nebulization on the heart rate of healthy volunteers.  Material and methods  A randomized, single-blinded, placebo-controlled, cross-over study was conducted with 30 healthy volunteers divided into two groups of 15 each. One group was nebulized with salbutamol (2.5 mg/2 ml dilution) while the other group was given normal saline (2 ml). Each arm underwent administration of the opposite drug the following week. Baseline readings of heart rate and blood pressure were taken at zero (T0), seven (T7), 15 (T15), and 30 (T30) minutes.  Results  Thirty volunteers between the ages of 20 and 25 years were studied. The mean heart rate value was higher for nebulized salbutamol at each point as compared to saline. When nebulized with salbutamol, the heart rate had a significant rise (p= < 0.00001) at 15 minutes as compared to saline nebulization.  Conclusion  Salbutamol nebulization, even at a low dose, can lead to a significant increase in heart rate when compared to nebulization with normal saline in healthy individuals.

Short-Term Effect of Inhaled Salbutamol on Heart Rate in Healthy Volunteers