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  2. Artificial cardiac pacemaker - Wikipedia

    en.wikipedia.org/wiki/Artificial_cardiac_pacemaker

    This pacemaker has three wires placed in three chambers of the heart. One in the atrium and two in either ventricle. It is more complicated to implant. [10] Rate-responsive pacemaker. This pacemaker has sensors that detect changes in the patient's physical activity and automatically adjust the pacing rate to fulfill the body's metabolic needs. [10]

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

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

    A pacemaker’s battery typically lasts between five and seven years before it needs to be changed, according to Johns Hopkins Medicine. Sometimes the entire pacemaker box, including the battery ...

  4. 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 ...

  5. Cardiac conduction system - Wikipedia

    en.wikipedia.org/wiki/Cardiac_conduction_system

    The cardiac conduction system (CCS, also called the electrical conduction system of the heart) [1] transmits the signals generated by the sinoatrial node – the heart's pacemaker, to cause the heart muscle to contract, and pump blood through the body's circulatory system.

  6. Sinoatrial node - Wikipedia

    en.wikipedia.org/wiki/Sinoatrial_node

    The sinoatrial node (also known as the sinuatrial node, SA node or sinus node) is an oval shaped region of special cardiac muscle in the upper back wall of the right atrium made up of cells known as pacemaker cells. The sinus node is approximately 15 mm long, 3 mm wide, and 1 mm thick, located directly below and to the side of the superior vena ...

  7. The Wanted’s Max George Wrote His Will from Hospital Bed ...

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    Related: The Wanted's Max George Reveals He Will Spend Christmas in the Hospital After Doctors Found 'Issues with My Heart' He was then taken for a CT scan on Dec. 15, later getting his pacemaker ...

  8. Transcutaneous pacing - Wikipedia

    en.wikipedia.org/wiki/Transcutaneous_pacing

    During transcutaneous pacing, pads are placed on the patient's chest, either in the anterior/lateral position or the anterior/posterior position. The anterior/posterior position is preferred as it minimizes transthoracic electrical impedance by "sandwiching" the heart between the two pads [ citation needed ] .

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