32 years old aboriginal woman presents to ED with lethargy. She is previously well, and has not seen any medical services in last 10 years. Her VBG  results are as followed:

PH                                   7.25

PCO2                               25

HCO3                              11.7

Hb                                    81

Na                                   140

K                                     5.1

Ca                                   0.81

Cl                                    98

Glu                                 9.6

Lac                                 0.9

Questions:

1. What are the main abnormalities on this VBG?
2. Her creat is 1842 , and urea of 62. List 3 causes of these findings in an aboriginal woman ?
3. What are the principles of management?