To Determine the Need for Long-Term Home O₂ Therapy After

Multiple Choice

To determine the need for long-term home O₂ therapy after initial justification, when should blood gas analysis be repeated?

A) 1 to 3 weeks after initiation
B) 1 to 3 days after initiation
C) 1 to 3 months after initiation
D) 1 to 3 years after initiation