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  2. Cardiac pacemaker - Wikipedia

    en.wikipedia.org/wiki/Cardiac_pacemaker

    An artificial cardiac pacemaker (or artificial pacemaker, so as not to be confused with the natural cardiac pacemaker) or just pacemaker is an implanted medical device that generates electrical impulses delivered by electrodes to the chambers of the heart either the upper atria, or lower ventricles to cause the targeted chambers to contract and ...

  3. Arnold Schwarzenegger just got a pacemaker. Here's what to ...

    www.aol.com/lifestyle/arnold-schwarzenegger-just...

    Pacemakers are also sometimes used temporarily when someone is recovering from a heart attack or heart surgery, but in this case only the wires are inserted into the body; the pacemaker box stays ...

  4. Cardiac resynchronization therapy - Wikipedia

    en.wikipedia.org/wiki/Cardiac_resynchronization...

    Cardiac resynchronisation therapy (CRT or CRT-P) is the insertion of electrodes in the left and right ventricles of the heart, as well as on occasion the right atrium, to treat heart failure by coordinating the function of the left and right ventricles via a pacemaker, a small device inserted into the anterior chest wall.

  5. Pacemaker - Wikipedia

    en.wikipedia.org/wiki/Pacemaker

    A pacemaker, also known as an artificial cardiac pacemaker, is an implanted medical device that generates electrical pulses delivered by electrodes to one or more of the chambers of the heart. Each pulse causes the targeted chamber(s) to contract and pump blood, [3] thus regulating the function of the electrical conduction system of the heart.

  6. Cardiac contractility modulation - Wikipedia

    en.wikipedia.org/wiki/Cardiac_contractility...

    As with conventional pacemaker therapy, the cardiac contractility modulation device cannot be implanted if the leads cannot be positioned appropriately in the heart. In cases where there is an artificial heart valve between the right atrium and ventricle (a mechanical prosthetic tricuspid valve), the valve function could be greatly affected by ...

  7. Implantable loop recorder - Wikipedia

    en.wikipedia.org/wiki/Implantable_loop_recorder

    record heart electrical activity An implantable loop recorder ( ILR ), also known as an insertable cardiac monitor ( ICM ), is a small device that is implanted under the skin of the chest for cardiac monitoring , to record the heart's electrical activity for an extended period.

  8. Cardiac action potential - Wikipedia

    en.wikipedia.org/wiki/Cardiac_action_potential

    Pacemaker activity of these cells is vital, as it means that if the SAN were to fail, then the heart could continue to beat, albeit at a lower rate (AVN= 40-60 beats per minute, Purkinje fibres = 20-40 beats per minute). These pacemakers will keep a patient alive until the emergency team arrives. [citation needed]

  9. Transvenous pacing - Wikipedia

    en.wikipedia.org/wiki/Transvenous_pacing

    This means of pacing the heart is not as popular as other means of pacing (like transcutaneous pacing, implanted pacemaker, epicardial pacing) because it is a temporary solution to pace the heart and yet involves a similar level of risk of bleeding as a more permanent solution like placing an implanted pacemaker.

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