A 52 year old female presents with 2 days of left sided weakness, started in the calf and now has difficulty walking. She had a similar episode in May which self resolved.

Her blood tests show:pH  7.50

pCO2  45.7

HCO3  35.3

BE 10.8

Na  143

K  1.6

Cl  99

Glu  4.6

Lac  1.1

Creat  54

Describe and interpret the blood gas

How would you treat her?

How much Potassium would she need?