A 70 year old man presents to your ED complaining of feeling generally unwell.

Vital signs:

BP 120/70

PR 90/min

T 37

His blood results showNa  160  (137-145  mmol/l)

K   5.4  (3.5-5  mmol/l)

Cl  130  (99-111  mmol/l)

HCO3  24

Urea  12.9  (3.5-5  mmol/l)

Creat  138  (<130  umol/l)

Describe and Interpret the blood results

What is your approach to Hypernatraemia?

Calculate his water deficit