A 69-year-old with chronic hypoxemia has resting SpO₂ 87% on room air. Which statement is correct regarding long-term oxygen therapy (LTOT) for COPD?...

Question

A 69-year-old with chronic hypoxemia has resting SpO₂ 87% on room air. Which statement is correct regarding long-term oxygen therapy (LTOT) for COPD?

Accepted Answer

Indicated if PaO₂ ≤55 mm Hg or SpO₂ ≤88% at rest

Answer

Not indicated unless SpO₂ ≤85%

Answer

Indicated only with exercise desaturation

Answer

Indicated only in pulmonary hypertension

Answer

Never indicated in smokers

us-abfm MCQ (SBA): Long-Term Oxygen Therapy