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. 2023 Mar 3;19:103–126. doi: 10.2147/VHRM.S321025

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© 2023 Swisher and Weaver.

This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).

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Algorithm for the diagnosis of pulmonary arterial hypertension.

Notes: Swisher JW andKailash S. Advances in management of pulmonary hypertension associated with systemic sclerosis. In: New Insights Into Systemic Sclerosis. (Michal Tomcik, ed.) InTech Open, London, UK.© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution 3.0 License, which permits unrestricted use, distribution, and reproduction in any medium.¹⁷

Abbreviations: ECG, electrocardiogram; CXR, chest x-ray; VTR, velocity tricuspid regurgitation; LV, left ventricle; PH, pulmonary hypertension; PAH, pulmonary arterial hypertension; VQ, ventilation perfusion; CT, CT scan; RHC, right heart catheterization; mPAP, mean pulmonary artery pressure; CWP, capillary wedge pressure; PVR, pulmonary vascular resistance; WU, Wood Units; HIV, human immunodeficiency virus.