View source for Dehydration

{{Adult top}} [[dehydration (peds)]]
==Background==
*Decreased total body water resulting in relative hypertonicity and [[hypernatremia]] 
*Usually resulting from inadequate fluid intake or increased free water loss
*Often confused with [[hypovolemia]] in which total body water is lost with a relative hypotonic or isotonic state

==Clinical Features==
*dry mucous membranes
*skin tenting
*sunken eyes
*excessive thirst
*[[headache]] 
*[[dizziness]]
*[[altered mental status]]
*[[weakness]]
*fatigue
*dark urine or decreased urine output
*[[syncope]]
*[[shock|hemodynamic instability]]

==Differential Diagnosis==
{{Sinus tach DDX}}

==Evaluation==
*Urine sodium concentration
*FENa (fractional excretion of sodium)
*Urine osmolality
*Urinalysis

==Management==


==Disposition==


==See Also==
*[[Dehydration (peds)]]
*[[Hypovolemia]]
*[[IV fluid resuscitation]]

==External Links==


==References==
<references/>
[[Category:FEN]]