Definitions for "Altitude sickness"
Keywords:  sickness, acute, ams, nausea, headache
effects (as nosebleed or nausea) of oxygen deficiency in the blood and tissues at high altitudes
a medical condition often observed at high altitudes; manifested in symptoms such as low blood oxygen level, headache, loss of appetite, nausea, vomiting, malaise and disturbed sleep. Hypoxia is a related debilitating lack of oxygen. Also known as Acute mountain sickness, or AMS.
Very High altitudes can have serious and sometimes fatal effects on the body. It is known as Acute Mountain Sickness (AMS) and can range from headaches to potentially fatal build up of fluid on the brain and in the lungs.