Sympathomimetic drugs
Sympathomimetic drugs
Catecholamines (adrenaline, noradrenaline, dopamine) and other sympathomimetic drugs (eg dobutamine, isoprenaline) exert most of their inotropic and chronotropic effects on the myocardium via beta adrenoceptors, and the beta1-adrenoceptor subtype is responsible for most of these effects.
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