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Disadvantages of cardiac CT

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

  • main disadvantage of cardiac CT is the dose of radiation, which is dependent on the type of imaging undertaken, but is currently around the same as a conventional x-ray angiogram (4-6mSv) for a full cardiac investigation
    • dose has fallen rapidly as the technology has developed and is likely to fall still further in the future
  • as with routine Xray angiography, nephrotoxic iodinated contrast agents should be used with caution in patients with impaired renal function

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