Urine Osmolality and Electrolytes
Urine Osmolality and Electrolytes
Urine Osmolality and Electrolytes
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Hyponatraemia<br />
• Reset osmostat<br />
– Test: water load to further drop S.Na<br />
– Rarely performed test<br />
– Only done in patients with mild hyponatraemia<br />
– SIADH → urine remains concentrated<br />
– Reset osmostat → urine becomes dilute<br />
• Importance: treatment different
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