Causes of Hyponatraemia Beyond Reduced Plasma Osmolality

Hyponatraemia due to hyperglycaemia or administration of mannitol

An artefactual result due to a reduction in plasma water caused by marked hyperlipidaemia or hyperproteinaemia (correct)

Hyponatraemia occurring in association with reduced plasma osmolality

Hyponatraemia caused by collection of a blood specimen from a vein close to a site at which fluid is being administered intravenously

Hyperglycaemia (correct)

Administration of mannitol

Shift of water out of the cells into the ECF in response to osmotic effects

Reduced plasma osmolality

Reduced plasma osmolality

Collection of a blood specimen from a vein close to a site at which fluid is being administered intravenously (correct)

Marked hyperlipidaemia or hyperproteinaemia

Hyperglycaemia

<p>Low plasma Na+ occurs in association with reduced plasma osmolality</p> Signup and view all the answers

<p>'Pseudohyponatraemia', an artefactual result due to a reduction in plasma water</p> Signup and view all the answers