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  2. Safety of magnetic resonance imaging - Wikipedia

    en.wikipedia.org/wiki/Safety_of_magnetic...

    MRI is contraindicated in the presence of MR-unsafe implants, and although these patients may be imaged with CT, beam hardening artefact from metallic devices, such as pacemakers and implantable cardioverter-defibrillators, also may affect image quality. [65] MRI is a longer investigation than CT and an exam may take between 20 and 40 minutes ...

  3. Cardiac magnetic resonance imaging - Wikipedia

    en.wikipedia.org/wiki/Cardiac_magnetic_resonance...

    However, greater capital costs and effects of off-resonance artefact on image quality mean that many studies are routinely performed at 1.5T. [29] Imaging at 7T field strength is a growing area of research, but is not widely available. [30] Current manufacturers of cardiac-capable MRI scanners include Philips, Siemens, Hitachi, Toshiba, GE.

  4. Cardiac imaging - Wikipedia

    en.wikipedia.org/wiki/Cardiac_imaging

    A physician may recommend cardiac imaging to support a diagnosis of a heart condition. Medical specialty professional organizations discourage the use of routine cardiac imaging during pre-operative assessment for patients about to undergo low or mid-risk non-cardiac surgery because the procedure carries risks and is unlikely to result in the change of a patient's management. [1]

  5. Pacemaker failure - Wikipedia

    en.wikipedia.org/wiki/Pacemaker_failure

    The magnet can interrupt the pacing and inhibit the output of pacemakers. If MRI must be done, the pacemaker output in some models can be reprogrammed. [7] In February 2011, the FDA approved an MRI-safe pacemaker. [8] Extracorporeal shock-wave lithotripsy (ESWL) procedure is safe for most pacemaker patients, with some reprogramming of the pacing.

  6. Subcutaneous implantable defibrillator - Wikipedia

    en.wikipedia.org/wiki/Subcutaneous_implantable...

    This could improve the time needed to get used to the implantable device, although this is subjective. The procedure can usually be done under local anesthesia and light sedation. The transvenous ICD is capable of pacing for bradycardia and delivering antitachycardia pacing (ATP). However, device-related complications were numerically more ...

  7. 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 ...

  8. Think You’re Healthy? Science Says This Is How You Should ...

    www.aol.com/think-healthy-science-says-measure...

    In an ideal world, doctors would gauge health risks by measuring exercise capacity, Angadi added, noting that it should be considered a “vital sign” like blood pressure, pulse rate, and ...

  9. ‘I Tried The Prenuvo Full-Body MRI Scan—And It Put ... - AOL

    www.aol.com/tried-prenuvo-full-body-mri...

    The MRI machine looked pretty standard, except that there was a screen with Netflix queued up. The facilitator put a weighted cover (almost like a blanket) over my legs and chest so I stayed still.

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