- Descend at least 300 m (Class I)
- Give supplemental oxygen (Class I)
- Give dexamethasone 8 mg PO, IV, or IM; initial dose followed by 4 mg PO qid (Class II)
- Give acetazolamide 250 mg PO bid (Class II)
- Check for HAPE (See Table 6 below)
Does patient have at least 2 symptoms and 2 signs of HAPE?