Xamoterol
Encyclopedia
Xamoterol is a cardiac stimulant
Cardiac stimulant
A cardiac stimulant is a substance which acts as a stimulant of the heart -- for example, via positive chronotropic or inotropic action.Examples of cardiac stimulant drugs are cocaine and methamphetamine....

. It works by binding to the β1 adrenergic receptor. it is a 3rd generation andrenergics beta receptor partial agonist. it provides cardiac stimulation when patient is at rest but it acts as a blocker during exercise.
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