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Adrenergic Blockers 2

  • Located throughout the body
  • Are receptors for the sympathetic neurotransmitters
  • Alpha-adrenergic receptors:  respond to NE
  • Beta-adrenergic receptors: respond to EPI

 

  • LOCATION  RECEPTOR  RESPONSE
    Cardiovascular
  • Blood vessels  alpha1 and beta2  Constriction /
    dilation
  • Cardiac muscle  beta1  Increased
    contractility
  • AV Node  beta1  Increased   heart rate
  • SA Node  beta1  Increased   heart rate

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