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Therapeutic instruments (Cardiac Defibrillators) (Types (external Highest…

- - - - Unipolar
      - bipolar
  - - - temporary
      - permanent
    - - Asynchronous
      - synchronous
        
        ventricular Programmed
        
        R-wave triggered
        
        R-wave inhibited
        
        Atrial programmed
        
        P-wave synchronized
    - - external
        
        ICU
        
        awaiting implant
        
        recovering from cardiac surgery
      - internal
        
        pulses - pacing catheter - vein -heart
        
        current required much less
      - implantable
        
        output leads - heart muscle
        
        Highly reliable
        
        Long life
        
        bio inert
        
        No fluids - short circuit
        
        Types
        
        single chamber (A/V)
        
        dual chamber (A+V)
        
        rate responsive
    - - voltage
      - current
      - current limited voltage