Why the study?
Does intravenous propranolol or isoproterenol alter cardiovascular reactivity, affect, and Type A behavior in healthy males?
Population
12 healthy males
Comparison
Propranolol or isoproterenol infused intravenously vs Placebo infused intravenously prior to the…
Design
Counterbalanced order for active drugs
Follow-up
acute (during the study sessions)
Authors
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May warrant caution with beta-agonists regarding reactivity and affect; leaves open Type A modulation and requires clinical replication.
Does intravenous propranolol or isoproterenol alter cardiovascular reactivity, affect, and Type A behavior in healthy males?
Beta-adrenergic stimulation with isoproterenol acutely increases cardiovascular reactivity and anxiety while unexpectedly lowering Type A behavior components in healthy males.
Krantz et al. (1987) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: