The dehydration is the loss (that it is complete or partial) of water of a body. In Medicine, it represents the contraction of one or more liquid sectors of the organization, consecutively with varied metabolic anomalies. It is generally total (concerning at the same time the sector intracellular and extracellular), but it can also be confined with one of these sectors, in particular at the beginning of evolution. It is a frequent Syndrome but which can be serious, because it involves a risk of Collapsus (shock hypovolemic) when it is severe.
- extracellular Dehydration
- intracellular Dehydration
- total Dehydration
MeasureIt is important to measure or estimate the quantity of water which one needs. Human must absorb at least 3 liters of water per day (more in period of dryness, of heat), which it generally gets by daily drinking 1.5 liter, and by eating the equivalence of 1.5 liter of water in its solid foods.
In period of dehydration, the Urine is darker, which is a simple criterion making it possible to consider (but not to measure in a reliable way and specifies) the state of dehydration possible of a subject.
Quantity has to drink: 40 ml per kg of body mass. Half is brought by food and other half by liquid. Therefore, 20ml per kg. It is necessary to add has that 1liter per hour of constant physical exercise. Example: I am tennis player and I have a mass of 140 lb. My weight in kg: 63.6. Thus I will have to drink per day 1.2 minimum liter and if I play during 2 hours, I will have to drink 3.2 liters.
Fight against dehydrationWhen a meal is jumped, it is necessary to drink the drink water that one would have drunk during the meals, but also that which one would have consumed in solid form.
- the Hydratation indicates the contribution of water per oral way or in Intraveineuse to fight against dehydration
- acute Diarrhea of the nourisson and the small child - Attention to dehydration! , The General practitioner n°2210
- Ansia Dehydration University off Milan
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