Page 251 - Pharmacology Mnemonics and Short Notes
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        Ionic Mechanisms


        Presynaptic membrane (all receptors)

              Decrease Ca influx  decrease neurotransmitter release


        Postsynaptic membrane (mu receptor)

              Increase K conduction  inhibitory post synaptic potential develop
               d


        Members and classification

        Strong agonists

               Max effects  M  morphine, methadone and meperidine


        Moderate agonists

               Cods Codeine and oxycodone

        Weak agonists


               Propoxyphene  partial mean weak

                                       Effects produced


        Acute effects


        BAD Americans

               B  Bradycardias and hypotension

               A  Analgesia

               [treatment of moderate to severe pain]

               D  Dependence

               A  anorexia  poor appetite and
               release of ADH hormone


               M   miosis (characteristic of all opioids except meperidine)
      Contents       E  euphoria  state of excitement






   Pharmacology Mnemonics and Short Notes                                              By Muhammad Ramzan Ul Rehman
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