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* 1. Pulmonary hypertension specifically refers to high blood pressure of the cardiac arteries.

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* 2. Pulmonary artery pressure is typically much lower than a person’s systemic blood pressure.

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* 3. Both PH and systemic hypertension can be present without the person feeling any symptoms.

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* 4. Doctors can always identify the cause of both PH and systemic hypertension.

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* 5. Currently, there is no cure for PH or systemic hypertension.

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