About Pulmonary Hypertension

High blood pressure in the lungs is called pulmonary hypertension (PH) or pulmonary arterial hypertension (PAH). PAH is a chronic and life-changing disease that can lead to right heart failure if left untreated. Read about other types of PH

In this short video, Dr. Vallerie McLaughlin explains the basics of pulmonary arterial hypertension (PAH).

To learn more about PH and PAH, explore this section or read a PAH Education Fact Sheet developed by the American Thoracic Society (ATS) for their Patient Information Series. PHA is a member organization of ATS's Public Advisory Roundtable.

What are the symptoms of pulmonary hypertension?

PH patients experience symptoms such as shortness of breath, dizziness and fatigue, and the severity of symptoms usually correlates with the progression of the disease. Read more

Who gets pulmonary hypertension?

PH affects people of all ages, races and ethnic backgrounds. Although anyone can get PH, there are risk factors that make some people more susceptible. Read more

What kind of doctors diagnose and treat pulmonary hypertension?

Patients are encouraged to seek dianosis and treatment from a PH specialist. Find a PH-treating physician in your area

How is pulmonary hypertension diagnosed?

There are a number of different tests used to diagnose PH. Learn about the different diagnostic tests your doctor may perform to determine if you have pulmonary hypertension and what type it is. Read more

What are the different types of pulmonary hypertension?

There are several different types of pulmonary hypertension, and treatment may vary depending on the type of PH you have. Read more

What are the treatment options for pulmonary hypertension?

While there is currently no cure for PH, different treatment options are available to help you manage your disease and feel better day-to-day depending on your type of PH. Read more

Visual Resources

Check out the interactive, animated visual diagrams about pulmonary hypertension at KnowYourPH.org.


The American Thoracic Society (ATS), of which PHA is a member organization in their Public Advisory Roundtable, developed a Patient Education Fact Sheet. As part of ATS's Patient Information Series, the fact sheet provides a comprehensive and easy-to-understand overview of PAH.

PHA Classroom

lung with blood pressure cuff on it

Visit the About PH section of the PHA Classroom to watch videos about diagnostic tests, treatments and research.

Watch recordings

Patient's Survival Guide

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Pulmonary Hypertension: A Patient's Survival Guide is the most comprehensive patient resource on pulmonary hypertension.

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The information provided on the PHA website is provided for general information only. It is not intended as legal, medical or other professional advice, and should not be relied upon as a substitute for consultations with qualified professionals who are familiar with your individual needs.

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The National Organization for Rare Disorders (NORD) awarded PHA the Abbey S. Meyers Leadership Award in 2012 for outstanding service to PHA members in advocacy, education and other key areas.