Table 1 Comparison of electron beam computed tomography and multislice computed tomography scanners.

EBCT scanner	MSCT scanner
Advantages
Images the heart very rapidly (high temporal resolution, 33–100 ms)	More widely available owing to lower cost
Has been in use for a long time, and thus is the source of most of the prognostic data	Temporal resolution is fast approaching that of EBCT
Lower radiation dose	Studies now show similar accuracy to EBCT
Limitations
High costs and thus very limited availability	Higher radiation dose than EBCT, but can be reduced by certain techniques

EBCT, electron beam computed tomography; MSCT, multislice computed tomography.