Acute and Chronic Hyponatraemia Flashcards
1
Q
Define hyponatremia
A
Na lower than 135mmol
2
Q
What are the signs and symptoms of hyponatremia?
A
Correlates with severity and rate of onset
Neurological = agitation, nausea, coma
3
Q
What is the most common reason for people in hospital having hyponatremia?
A
Too much water
Difficulty with water/Na balance
4
Q
Why does hyponatremia cause confusion?
A
Cerebral oedema
5
Q
What are the causes of hypovolemic hyponatremia?
A
GI losses = vomiting, diarrhoea, fistulas
Excessive sweating
