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What is pulmonary arterial hypertension (PAH)?

Pulmonary arterial hypertension (PAH) can be broken down like this: pulmonary means related to the lungs, arterial means related to blood vessels called arteries and hypertension means high blood pressure. So, PAH means high blood pressure in the blood vessels that carry blood from the heart to the lungs.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.