Acute and Chronic Hyponatraemia Flashcards

1
Q

Define hyponatremia

A

Na lower than 135mmol

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2
Q

What are the signs and symptoms of hyponatremia?

A

Correlates with severity and rate of onset

Neurological = agitation, nausea, coma

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3
Q

What is the most common reason for people in hospital having hyponatremia?

A

Too much water

Difficulty with water/Na balance

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4
Q

Why does hyponatremia cause confusion?

A

Cerebral oedema

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5
Q

What are the causes of hypovolemic hyponatremia?

A

GI losses = vomiting, diarrhoea, fistulas

Excessive sweating

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