When are patients with pulmonary hypertension prone to fainting and what can be done to prevent it?

　　Patients with pulmonary arterial hypertension have reduced blood output from the heart, resulting in a corresponding reduction in the blood supply to the brain, and are prone to fainting in the following situations. 2. When exercising, the patient’s body cannot supply extra oxygen and blood flow, so it is easy to faint. 3. 5. Patients who are emotionally agitated and tense are also prone to fainting, so sedative drugs and psychotherapy should be given to these patients.