Altitude sickness 101 🏔️
• Mild AMS: headache, light nausea, normal balance ➜ Rest, hydrate, reassess.
• Severe AMS: stagger, confusion, wet cough ➜ Descend 1,500 ft ASAP, call SAR.
Quick test: Can they walk a straight line & say the alphabet? Fail = Severe AMS.
