Altitude
Altitude
Altitude (/ˈæltɪˌtjuːd/; from Latin altitudo, "height") is a term used in geography to denote the height of a point above a reference level, usually above sea level or the Earth's surface. In medicine, altitude is significant due to its effects on the human body, particularly in relation to altitude sickness.
Etymology
The term "altitude" originates from the Latin word altitudo, which translates to "height". It was first used in English in the late 14th century.
Medical Significance
In medicine, altitude is a crucial factor in several conditions, most notably altitude sickness. Altitude sickness, also known as acute mountain sickness (AMS), is a pathological effect of high altitude on humans, caused by acute exposure to low amounts of oxygen at high altitude. Symptoms may include headaches, vomiting, tiredness, trouble sleeping, and dizziness.
Altitude can also affect the body's circulatory system, respiratory system, and metabolism. For example, at high altitudes, the body must work harder to take in the same amount of oxygen as at sea level, which can lead to hypoxia.
Related Terms
- Altitude sickness: A condition that can occur when one ascends to a high altitude too quickly.
- Hypoxia: A condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level.
- Acclimatization: The process in which an individual adjusts to a change in its environment, allowing it to maintain performance across a range of environmental conditions.
- Barometric pressure: The pressure exerted by the weight of the atmosphere, which at sea level has a mean value of 101,325 pascals (roughly 14.696 psi).
External links
- Medical encyclopedia article on Altitude
- Wikipedia's article - Altitude
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