Radio frequency induced heating of an insulated wire during magnetic resonance imaging.

{
  "study_type": "engineering",
  "exposure": {
    "band": "RF",
    "source": "magnetic resonance imaging (MRI)",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "RF-induced power deposition near insulated leads",
    "Discrepancy between implant model predictions and 3-D EM simulation values"
  ],
  "main_findings": "3-D electromagnetic simulations assessed RF-induced power deposition near straight insulated leads under different incident electric field profiles. For the investigated setups, up to a 400% discrepancy was observed between implant model predictions and EM simulation values.",
  "effect_direction": "unclear",
  "limitations": [
    "No MRI/RF frequency reported in the abstract",
    "No experimental (in vivo/in vitro) validation described; simulations only",
    "No quantitative heating/temperature outcomes reported (power deposition only)",
    "Sample size and specific lead/implant configurations not detailed"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "radiofrequency",
    "MRI",
    "RF-induced heating",
    "power deposition",
    "insulated wire",
    "leads",
    "electromagnetic simulation",
    "incident electric field"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.2,
      "reason": "MRI-related RF exposure context, but no specific occupational or human exposure details provided."
    }
  ]
}