Uterine and Cardiovascular Effects of Beta2-selective Sympathomimetic Drugs Administered As an Intravenous Infusion
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The uterine and cardiovascular effects of fenoterol, hexoprenaline, ritodrine and salbutamol, given as intravenous infusions in equivalent and therapeutic dosages in oxytocin-induced labour, were studied and compared. All the drugs were effective in reducing the uterine activity to less than 30% of the original. The effect on the cardiovascular system was to produce a moderate tachycardia and a widening of the pulse pressure by raising the systolic and decreasing the diastolic blood pressures.
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