… was determined by automatic exposure control based on the … to patients with a heart rate
(HR) >65 beats per minute. In all … The acquisition phase window was set at 70% to 80% of the …

… The heart rate was set at 60 bpm and cardiac-output (CO) at … ) reconstruction algorithms
with filtered back projection and … exceeds 300 HU, the window for scan timing is limited before …

… has a short reconstruction window and the diagnostic phase (ie, the … “Automatic exposure
control at single- and dual-heartbeat CTCA on a 320-MDCT volume scanner: effect of heart rate…

… inclusion criteria were heart rate (HR) ≤ 65 beats per minute (… calculated by the automatic
exposure control function (17) … using a dedicated algorithm “volumetric CT digital subtraction …

… was used with the cardiac phase for scanning set to 75 % of … by the automatic exposure
control (AEC) function (Volume EC, … using prospective one-beat scanning with heart rate control …

… It reconstructed with the adaptive iterative dose reduction (AIDR) reconstruction algorithm, …
was 2 s for pre-contrast and arterial phase scanning and 5 s for venous-phase scans [9]. …

… Kaplan Meier curves showed HFpEF patients to have increased risk of death when compared
to HFrecEF patients (Figure). Multivariable Cox models also showed higher risk of death in …

… 0 for Windows 统计软件包对各 组测量数据进行处理分析. 采用t 检验对CT 值 与图像噪声组间…
after scanning was recorded respectively. As a result,640-slice volume CT low-dose " one-stop…

… by patient heart rate for coronary 64- and 320-MDCT angiography. … Automatic exposure
control at single- and dual-heartbeat CTCA on a 320-MDCT volume scanner:effect of heartrate…