A 70 year old man presents to your ED with fevers and confusion. His vital signs are:

BP 100/60, PR 100/min, T 38.5, RR 24/min

His UA shows leucocytes and nitrites

His blood tests show:

pH  7.401  (7.36-7.44)

pCO2  29  (35-45  mmHg)

HCO3  18  (22-26 mmol/l)

Na  131  (137-145  mmol/l)

K  4.3  (3.5-5  mmol/l)

Cl  102  (99-111  mmol/l)

Glu  7.3  (4-6  mmol/l)

Lactate  4.1  (<2  mmol/l)

Creat   440  (<130 umol/l)

Describe and interpret the blood tests

Thank you to Setu and Basil for this one