Research Article

Absorbed Radiation Dose in Radiosensitive Organs Using 64- and 320-Row Multidetector Computed Tomography: A Comparative Study

Table 5

The effect of heart rate variation on the absorbed radiation dose (mGy) for both scanners.

Modes60 bpm75 bpm-value

320-row volume mode15.5027.59<0.001
64-row helical mode22.2560.24<0.001