Page 145 - Pharmacology Mnemonics and Short Notes
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137


               Lai  lides ibutilide and dofetilide

               Kutt  K channel blockers

        Mechanism


                        +
               Block K  channel  result prolongation of action
               potential and refractory period.


              Also show activity of other groups like sotalol also
                blocks Beta blocker & amiodrone show activity of group 1 2 and
               itself is 3 and of 4

        Amiodrone


               Most efficacious of all antiarrhythmic drugs

                          +
              Block Na  channel
              Block beta adrenoreceptor


                        +
              Block K channel
                          +2
              Block  Ca  channel

            Use is restricted why?

             Extensive toxic effects are produced  used only where other
               drugs are not responding

            Adverse effects


            Micro ppts of amiodrone

               Micro microcrystalline deposits

               P  pulmonary fibrosis


               P  paraesthesia

               T  thyroid dysfunction

               S  skin sensitivity to light
      Contents    Dronedrone





   Pharmacology Mnemonics and Short Notes                                              By Muhammad Ramzan Ul Rehman
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