Partial vs full beta-receptor agonism. A clinical study of inhaled albuterol and fenoterol.


STUDY OBJECTIVE To compare the maximal extrapulmonary effects of the beta-agonists albuterol and fenoterol in eight healthy volunteers. SUBJECTS AND METHODS In this double-blind study, we have examined the maximum cardiac effects (electromechanical systole [QS2I]--a measure of inotropy, heart rate, BP) and metabolic effects (plasma K+ and cyclic adenosine… (More)


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