By Matthew J. Budoff, Jerold S. Shinbane
This booklet collates all of the present wisdom of cardiac CT and provides it in a clinically correct and useful textbook layout applicable for either cardiologists and radiologists. the photographs were provided through an skilled set of contributing authors and symbolize the complete spectrum of cardiac CT.
The box of Cardiovascular CT has skilled persisted fast evolution because of: 1) advances in expertise, 2) extended spectrum of cardiovascular purposes and three) major progress in released info together with huge potential multicenter experiences.
As expanding numbers have entry to cardiac CT scanners, this publication presents the entire proper details in this modality. this can be an in depth replace of the former variation bringing the reader updated with the big quantity of up to date content material within the discipline.
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Extra resources for Cardiac CT Imaging: Diagnosis of Cardiovascular Disease
2014;202(5):989–94. 11441. Cardiovascular Computed Tomography: Current and Future Scanning System Design 2 Rine Nakanishi, Wm. Guy Weigold, and Matthew J. Budoff Abstract Since the heart is continually in motion, cardiac computed tomography (CT) has capabilities required to scan the heart with high spatial resolution, high temporal resolution, larger detector coverage and fast scan speed. Recent technology enabled current versions of cardiac CT to display the heart with much fewer artifacts and less radiation dose.
The other variable involved in dose is the protocol used. The lowest radiation and most commonly applied is acquired by prospective triggering; that is, the X-rays are only on during the acquisition of data that will be used for the image. MDCT, however, can use prospective triggering or retrospective gating, 120 or 140 kilovolts (kV) (with protocols possible with lower kV depending upon future research and tube current improvements), and a wide range of mA. Retrospective gating means that the X-rays are on throughout the heart cycle.
80 kV) can potentially maintain contrast-to-noise ratios that have been established for coronary calcium and CT angiography images, and significant lower radiation expo-sure. Preliminary experiments have demonstrated a reduction in radiation exposures of up to 50 % with use of 80 kV. Jakobs et al. 6 mSv . As the noise will go up with 80 kV imaging, this may be too low for CT angiography in larger patients, but for children and slim adults, this affords a sub-millisievert dose for the first time with CTA.