256 Slice CT-Whole Heart Imaging In One Beat

256-slice CT shows promise in one-beat, whole-heart imaging.

"The patient cohort was small, but results were nonetheless described as "promising" in a study that assessed the feasibility of using a 256-slice CT scanner for the simultaneous assessment of coronary artery and cardiac function in one-beat, whole-heart studies.Because a 256-detector-row CT scanner covers 12.8 cm along the z-axis, one scan covers the whole heart with one 0.5-second rotation. Acquisition time was 1.5 seconds at 0.5-mm slice thickness, with radiation exposure of 14.2 mSv."

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