Lick AN, et al. - The purpose of this study is to determine whether computed tomography pulmonary angiography (CTPA) can detect diastolic dysfunction (DD). The outcome of this study suggests that computed tomography pulmonary angiography measurements of the left atrium (LA) and pulmonary artery (PA)/aorta ratio correlate strongly with equivalent findings on echo. They propose that LA and PA/aorta measurements be included on chest CTPA reports.