disadvantages of cardiac CT
Last reviewed 01/2018
- 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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