COPD and pulmonary hypertension: what to know

Pulmonary hypertension is raised pressure in the arteries carrying blood from the heart to the lungs. Long-term lung disease can reduce oxygen exchange and change these blood vessels, making the right side of the heart work harder.

Breathlessness during activity, fatigue, dizziness, chest discomfort, a racing heartbeat, or swollen ankles may occur. These symptoms have several possible causes, including COPD itself, so they do not establish pulmonary hypertension on their own.

Tell your clinician if your walking distance has fallen, you need more rest, or your ankles swell by the end of the day. Assessment may include oxygen measurement, an electrocardiogram, breathing tests, blood tests, and heart imaging.

Use inhalers as prescribed and avoid smoking and inhaled irritants. Keep follow-up appointments so oxygen needs, heart strain, and treatment response can be reviewed. Do not start oxygen or change its flow without specialist instructions.

Call emergency services for sudden severe breathlessness, fainting, blue lips, severe chest pain, or confusion. Seek prompt medical review for new dizziness on exertion, rapidly increasing ankle swelling, or breathlessness that is markedly different from your usual COPD.

What could explain my change in exercise tolerance? Do I need heart imaging or an oxygen assessment? How should I use oxygen if it is prescribed? Which symptoms suggest right-sided heart strain or an emergency?