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. 2020 Dec 3;9(12):3925. doi: 10.3390/jcm9123925

Table 2.

Radiation exposure and presumed risk of cardiac computed tomography (CT) techniques.

CT Modality Effective Dose (mSv) Additional Risks
CACS 1.0–1.5 -
CCTA <1.0–13.5 Contrast-related, Beta-blockers/Nitroglycerine
FFR-CT <1.0–13.5 Contrast-related, Beta-blockers/Nitroglycerine
Stress-CTP 2.5–21.6 Contrast-related, Beta-blockers/Nitroglycerine, Adenosine

CT: computed tomography; CCTA: coronary computed tomography angiography; FFR-CT: fractional flow reserve derived from computed tomography; CTP: computed tomography perfusion.