Abstract
Background: Images of patients with arrhythmias, particularly atrial fibrillation (AF), are often difficult to acquire with coronary CTA due to challenges in image acquisition and temporal resolution. We propose to evaluate image quality (IQ) expressed as Likert scale, signal to noise ratio (SNR), and contrast to noise ratio (CNR) from coronary CTA images acquired with a volumetric single beat CT scanner. Our hypothesis was that there is no significant difference in IQ between patients with and without AF.
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