Hyponatraemia ? cause
por John O'Connor
![Mind Map: Hyponatraemia ? cause](https://www.mindmeister.com/image/xlarge/54501778/mind-map-hyponatraemia-cause.png)
1. ? Euvolaemic
1.1. Plasma Osmolality
1.1.1. Reduced
1.1.1.1. Urine Na
1.1.1.1.1. <20 mmol/l
1.1.1.1.2. > 20 mmol/l
1.1.2. Normal
1.1.2.1. Psuedohyponatraemia
1.1.3. Raised
1.1.3.1. Hypertonic Hyponatraemia
2. ? Hypervolaemic
2.1. CCF, Cirrhosis, Nephrotic Syndrome, ARF
3. S.Na 125, U.Na 40, Hypovolaemic
4. ? Hypovolaemic
4.1. Urine Na
4.1.1. <20 mmol/l
4.1.1.1. Diarrhoea, Skin loss, Vomiting
4.1.2. >20 mmol/l
4.1.2.1. Addisons Disease, Diuretics, Salt losing nephropathy