A 48 year old female presents to ED with a 3 day history of abdominal pain, vomiting and inability to eat. The patient has a background of a previous gastric sleeve. Patients VBG below:

pH 7.130                                 Na 144 mmol/l

pCO2 34 mmHg                      K 4.2 mmol/l

HCO3 10 mmol/l                       Cl 108 mmol/l

BSL 4.5                                    Cr 63 umol/l

Lactate 2.0                               Ketones 7.1 mmol/l

1. Describe and interpret the VBG
2. What complications can occur post gastric sleeve surgery?