The effects of isoprenaline and salbutamol administered orally, by inhalation, or by intravenous infusion were compared in 13 asthmatic patients. Bronchodilator activity was assessed by serial measurement of specific airways conductance (SGaw). Log-dose response curves were obtained for both drugs and showed them to be equipotent as bronchodilators. Cardiovascular effects were variable, but in general, isopenaline caused greater rise in pulse rate and a greater change in blood pressure than t...Expand abstract
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Comparison of cardiorespiratory effects of isoprenaline and salbutamol in patients with bronchial asthma.
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