Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the treatments for pulmonary arterial hypertension ?
    ### Response:
    These resources address the diagnosis or management of pulmonary arterial hypertension:  - Gene Review: Gene Review: Heritable Pulmonary Arterial Hypertension  - Genetic Testing Registry: Primary pulmonary hypertension  - Genetic Testing Registry: Primary p
    