When PAH keeps progressing despite treatment, a newer class of therapy works on the cause of the vessel narrowing rather than only its effects. What has changed.

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The six-minute walk test, the BNP blood test, the echocardiogram and the right heart catheterization. What each test measures and what to expect at a PH centre.

Breathless patient, normal X-ray, normal spirometry, no response to treatment. Why that combination points at the right side of the heart, and when to refer. (154 caracteres)

Breathlessness on stairs, fatigue, near-fainting. Why the early signs of pulmonary arterial hypertension are so easy to miss, told from inside the right ventricle.

COPD raises lung cancer risk independently of smoking history. A 2024 meta-analysis found 1.76 times higher risk. The red flags and who to screen.