|
HYPERNATRAEMIA |
|
free water deficiency: |
diabetes insipidus (renal loss of water) |
|
hypotonic fluid loss: |
vomiting diarrhoea renal losses excess sweating |
|
salt gain: |
steroids iv hypertonic saline |
NB: hypernatraemia is usually corrected in conscious patient due to thirst mechanism; this is impaired or lost in drowsy or unconscious patient, causing hypernatraemia.
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