What is PAH?

PAH is a chronic and progressive rare disease that affects your heart’s ability to pump blood to your lungs.

So, what’s happening in my body?

There’s high blood pressure in the arteries of your lungs.

PAH causes the arteries from your heart to your lungs to narrow, which makes it difficult for blood to flow from your heart to your lungs. Without regular blood flow, your lungs don’t receive enough oxygen. This puts extra strain on your heart, which makes it harder to pump blood to your lungs.

This may lead to symptoms such as…

PAH Symptoms

The occurrence and severity of these symptoms may correlate with the progression of your disease. One way your doctor may classify the severity of your disease is functional class.

PAH Symptoms

Want to learn more about how PAH develops?

Visit our Video Gallery to get a more in-depth look at what happens in your body with PAH.