•During acute phase of
asthmatic attack
•To quickly reduce airway constriction
•
•WHY ARE THEY CALLED AGONISTS????
•AGONISTS or stimulators of SNS receptors----->
• SYMPATHOMIMETIC
ACTION
•
•WHAT IS THE PRIMARY MECHANISM OF ACTION??
•Imitate the effects of norepinephrine on receptors
•
•Stimulate beta2-adrenergic receptors in
the lungs causing
dilation within the airways of the
lungs (Example: Albuterol/Proventil)
•
•