Theresults showed that the 256-slice CT generates a smaller dose than the 16-slice CT in all examinations. For volumetric cine imaging, we found an acceptable scan time would be 6 s to 11 s, depending on examinations, if dose must be limited to the same values as routine examinations with a conventional multidetector CT. 16Slice vs. 64-Slice CT Scan | TTG Imaging Solutions. 64-slice CT technology is useful for cardiac studies and diagnosing cancer. 16-slice CT scans are ideal for higher-use facilities and everyday use. Wepresent an evaluation of a recently introduced 64-slice CT (64SCT) system, which makes use of a periodic motion of the focal spot in the longitudinal direction (z-flying focal spot) to double the number of simultaneously acquired slices. Prospectivelygated 64‐slice CT coronary angiography (CTCA) may be contraindicated for heart rates (HRs) over 65 beats per minute (bpm) due to reduced diagnostic sensitivity. Newer CT scanners typically provide 128 or more slices and superior temporal resolution compared with older models; consequently, diagnostic accuracy for current Whatis the difference between 64 slice and 128 slice CT Scanner? The 128-slices CT scanners have more rows of detectors, which means that these systems provide larger volume coverage and shorter examination times. This is very useful in cardiac studies. Theobjective of this study was to evaluate the performance of low-dose 128-slice CT scanner with different mAs values. Materials and methods: Quantitative study was carried out at different values of mAs. Philips brilliance CT phantom with Philips ingenuity 128-slice low-dose CT scanner was chosen for this study. 128Slice and higher. These 128-slice or higher CT scanners are the top-of-the-line CT scanners you will find. Up to 320 slices, these machines can provide a full-body scan in mere seconds. Thanks to its incredible speed and accuracy, specialty practices generally invest in these costly machines. CTscanners are often classified in terms of "number of slices", such that a "64-slice scanner" is regarded as superior to a "32-slice scanner". However, it is important to understand the distinction between "number of slices" and "number of detector rows". Increasedspeed, detector size and sensitivity mean doctors can scan a heart, lung or brain with considerably less radiation than a scan with a 64-slice CT or a nuclear stress test. The 64-slice scanners required four to six heart beats to capture an image of the entire heart. The 256 can cover the distance in two heartbeats. OverviewA 128-slice dual source CT scanner (Fig. 1) is equipped with two x-ray tubes and two corresponding detectors, mounted onto the rotating gantry with an angular offset of 94°. JW1m5.