Pursed-lip breathing is often used by patients with which condition?

• A. Asthma
• B. Emphysema
• C. Pneumonia
• D. Pulmonary edema

Answer: (B)

Pursed-lip breathing helps keep small airways open during exhalation by creating a little back pressure, which slows the pace of breathing and makes exhalation more complete. This reduces the effort needed to breathe and helps improve oxygen exchange in the lungs.

In emphysema, the lungs lose elastic recoil and air trapping becomes a big issue. Slowing and prolonging exhalation with pursed lips prevents airway collapse, reduces hyperinflation, and makes it easier to move air out. That’s why this technique is particularly beneficial for emphysema.

Pneumonia presents with infection and fluid in the lungs, and pulmonary edema involves fluid overload; neither primarily relies on airway dynamics the way air trapping does. Asthma can involve breathing difficulty, but pursed-lip breathing is most characteristic for managing the air-trapping aspect of emphysema/COPD.