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Artefact mimicking tachycardia during magnetic resonance imaging in a patient with an implantable loop recorder


An implantable loop recorder (ILR) was implanted in a 45 year old man with recurrent syncope. A subsequent episode of injurious syncope led to performance of a cranial and shoulder magnetic resonance imaging (MRI). An artefact mimicking both wide and narrow complex tachycardias was recorded by the ILR during the shoulder MRI but not the cranial MRI. Caution should be used when interpreting the ECGs of ILRs in patients who have undergone MRI.

  • loop recorder
  • magnetic resonance imaging
  • electromagnetic interference
  • ILR
  • implantable loop recorder
  • MRI
  • magnetic resonance imaging

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