An 80 year old man is brought to your ED by ambulance. He was found at home disorientated and confused.

Vitals:

BP 80/60

PR 120/min

RR 30/min

His blood tests:pH  7.302  (7.36-7.44)

pCO2  34.8  (35-45 mmHg)

HCO3  16.7  (22-26 mmol/l)

BE  -8

Na  160  (137-145  mmol/l)

K  5.0  (3.5-5.0  mmol/l)

Cl  124  (99-111  mmol/l)

Glu  36  (4-6  mmol/l)

Lactate  6.7  (<2  mmol/l)

Creat  306  (<120 umol/l)

Describe and interpret the blood tests

What are the relevant calculations?

How would you treat the patient?