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WHO's in Second to Fifth? Distinguishing PAH from Other Types of PH
AMA/ABS/ANCC/ACPE - Lecture Library
PH is currently divided into groups based on the perceived etiology of the vascular insult: PAH (Group 1), PH due to left heart disease (Group 2), PH due to lung disease and/or hypoxia (Group 3), PH due to pulmonary artery obstructions (Group 4), and PH due to unclear and/or multifactorial mechanisms (Group 5). Accordingly, therapeutic interventions to address PH differ significantly between groups. However, this classification is less than perfect as there is not only considerable heterogeneity within each group but also overlap between groups. Emerging evidence on phenotyping PH may assist to address these limitations. This educational slide kit presents the latest research in diagnosing and managing Group 2-5 in patients, including the distinction of specific groups – CTEPH, PH-ILD, PH-COPD, CPFE, CTD.
Click ‘Continue to Activity’ to begin and claim up to
1.0 AMA, ABS, ANCC, or ACPE credit/contact hour(s) after completion
Nick H. Kim, MD
Nick H. Kim, MD
Professor of Medicine
Section Chief, Pulmonary Vascular Medicine
Medical Director, Pulmonary Thromboendarterectomy Program
University of CA, San Diego

Steven Nathan, MD
Steven Nathan, MD
Medical Director, Advanced Lung Disease and Transplant Program
Inova Fairfax Hospital
 

Nick H. Kim, MD
Nick H. Kim, MD
Professor of Medicine
Section Chief, Pulmonary Vascular Medicine
Medical Director, Pulmonary Thromboendarterectomy Program
University of CA, San Diego

Steven Nathan, MD
Steven Nathan, MD
Medical Director, Advanced Lung Disease and Transplant Program
Inova Fairfax Hospital
PH is currently divided into groups based on the perceived etiology of the vascular insult: PAH (Group 1), PH due to left heart disease (Group 2), PH due to lung disease and/or hypoxia (Group 3), PH due to pulmonary artery obstructions (Group 4), and PH due to unclear and/or multifactorial mechanisms (Group 5). Accordingly, therapeutic interventions to address PH differ significantly between groups. However, this classification is less than perfect as there is not only considerable heterogeneity within each group but also overlap between groups. Emerging evidence on phenotyping PH may assist to address these limitations. This educational slide kit presents the latest research in diagnosing and managing Group 2-5 in patients, including the distinction of specific groups – CTEPH, PH-ILD, PH-COPD, CPFE, CTD.
Click ‘Continue to Activity’ to begin and claim up to
1.0 AMA, ABS, ANCC, or ACPE credit/contact hour(s) after completion
Nick H. Kim, MD
Nick H. Kim, MD
Professor of Medicine
Section Chief, Pulmonary Vascular Medicine
Medical Director, Pulmonary Thromboendarterectomy Program
University of CA, San Diego

Steven Nathan, MD
Steven Nathan, MD
Medical Director, Advanced Lung Disease and Transplant Program
Inova Fairfax Hospital


 

 

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20
Supported by independent educational grants from
United Therapeutics, a public benefit company and Johnson & Johnson

Launch/Release Date: December 10, 2025
Activity Expiration Date: November 30, 2026

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  • Pulmonology
Pulmonology

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