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Types of Defibrillators

A defibrillator is an electronic device that is used to administer an electric shock to the heart as a treatment for life-threatening heart rhythm abnormalities. The defibrillator sends an electric shock of preset voltage to the heart through the chest wall attempting to restore the normal rhythm of the heart during ventricular fibrillation. There are three main types of devices used for defibrillation of the heart.

  • Automated External Defibrillators (AEDs): Small electronic devices that are placed in locations where people can quickly respond to sudden cardiac arrest. These locations range from private office buildings to public gathering areas such as airports and hospitals.

  • Implantable Cardioverter - Defibrillator (ICDs): Implanted devices similar to pacemakers that briefly passes an electric current through the heart. It includes a pulse generator and one or more leads that constantly monitors the heartbeat. It is a small computer that operates on a battery that takes signals from your heart to the ICD and then takes an electric current from the pulse generator to your heart.


  • Manual defibrillator: These are the “defibrillator paddles” that are typically used by physicians in the emergency room and shown on popular TV programs such as ER and Emergency 31.

    Related Health Care Products:
  • Defibrillators
  • Types of Defibrillators
  • Automated External Defibrillators
  • Implantable Cardioverter
  • Defibrillator Manufacturers / Resources

    Related Health Care Information:
  • Defibrillation History
  • Heart Information

    Yes - this is a hard one to spell correctly! Med students take note. Here are some common attempts:

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