Chapter

Imaging of pulmonary arterial hypertension

Mark D Hiatt and Craig S Broberg

in Pulmonary Arterial Hypertension

Published on behalf of Oxford University Press

ISBN: 9780199572632
Published online January 2012 | e-ISBN: 9780199607495 | DOI: http://dx.doi.org/10.1093/med/9780199572632.003.0005

Series: Oxford Cardiology Library

Imaging of pulmonary arterial hypertension

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• Imaging provides a noninvasive means of diagnosing pulmonary arterial hypertension (PAH), determining its cause, and assessing its progression • The pertinent imaging modalities of echocardiography (echo/ECHO), computed tomography (CT), and magnetic resonance imaging (MRI) lie along a spectrum ranging from physiologic exposition to anatomic definition • Echo estimates pulmonary arterial (PA) pressure by measuring the velocity of flow through the tricuspid valve (TV) and is the major diagnostic tool • CT may assist in initial evaluation of PAH by detecting pulmonary thromboembolism or intrinsic lung disease • MR and echo are complementary, but MR excels in assessment of RV function.

Chapter.  3483 words.  Illustrated.

Subjects: Cardiovascular Medicine

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