Home O2 - criteria

Room-air resting ABG is gold standard.

• • PaO2 of 55 mmHg or less or SaO2 of 88% or less on RA consistently @ rest, with exercise, or with sleep

  • Pt with PaO2 of 56 - 59 mmHg plus evidence of cor pulmonale (P pulmonale on ECG, lower ext. edema secondary to RHF) PH, or 2° polycythemia (Hct: >55%), or CHF.

Annual evaluation necessary.