An 82 year old man is brought to your ED by ambulance after two falls overnight. He complains of feeling generally unwell with pain all over. He has been feeling lethargic for two weeks, since his Quetiapine dose was increased. He has a history of chronic renal failure.

The patient looks unwell.

Vitals;

BP 120/70, PR 110/min, T 36

Blood resultspH  7.234

CO2  29.1 mmHg

HCO3  16.6 mmol/l

BE  -10

Hb  128

Na  123 mmol/l

K  6.1 mmol/l

Cl  97 mmol/l

Glucose  37 mmol/l

Lactate  1.7 mmol/l

Creat  185 umol/l

For the needy one’s out there, the Urea is 31 mmol/l

Describe and interpret his blood tests

What is the diagnosis?

What are the diagnostic criteria?

What are some precipitating factors?

How would you treat him?

Describe the possible complications