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  2. Pacemaker failure - Wikipedia

    en.wikipedia.org/wiki/Pacemaker_failure

    These factors can contribute to an increased rate of complications which can lead to pacemaker failure. [ 2 ] Approximately 2.25 million pacemakers were implanted in the United States between 1990 and 2002, and of those pacemakers, about 8,834 were removed from patients because of device malfunction most commonly connected to generator ...

  3. Cold shock response - Wikipedia

    en.wikipedia.org/wiki/Cold_shock_response

    The cold water can cause heart attack due to severe vasoconstriction, [2] where the heart has to work harder to pump the same volume of blood throughout the arteries. For people with pre-existing cardiovascular disease, the additional workload can result in myocardial infarction and/or acute heart failure, which ultimately may lead to a cardiac ...

  4. Pacemaker syndrome - Wikipedia

    en.wikipedia.org/wiki/Pacemaker_syndrome

    [18] [20] Since its first discovery, there have been many definitions of pacemaker syndrome, and the understanding of the cause of pacemaker syndrome is still under investigation. In a general sense, pacemaker syndrome can be defined as the symptoms associated with right ventricular pacing relieved with the return of A-V and V-V synchrony. [17]

  5. 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 ...

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

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

    A pacemaker is a small, battery-powered device that controls the heartbeat. Our heartbeats are controlled by a highly efficient, biological electrical system that ensures our heart steadily pumps ...

  7. Cardiac arrest - Wikipedia

    en.wikipedia.org/wiki/Cardiac_arrest

    [12] [1] When the heart stops beating, blood cannot properly circulate around the body and the blood flow to the brain and other organs is decreased. When the brain does not receive enough blood, this can cause a person to lose consciousness and brain cells can start to die due to lack of oxygen. [ 13 ]

  8. Parkinson’s 'brain pacemaker' halves symptom time in ... - AOL

    www.aol.com/lifestyle/parkinson-brain-pacemaker...

    An small new study has found that adaptive deep brain stimulation that uses AI can reduce the time a person experiences their most bothersome Parkinson's symptom by around 50%.

  9. A brain pacemaker helped a woman with crippling depression ...

    www.aol.com/news/pacemaker-brain-helped-woman...

    Researchers say the treatment —- called deep brain stimulation, or DBS — could eventually help many of the nearly 3 million Americans like her with depression that resists other treatments.