A 7 year old boy is brought to ED with his mother with a 4 day history of abdominal pain and vomiting. He has no PMH. O/E BP 90/50 HR 115 Sats 97% RA Temp 37 RR 30 CPR 4 seconds. The child has sunken eyes and dry mucous membranes. He is alert but looks underweight and unwell. No other clinical signs of note

Below is the childs VBG:

pH 7.080                                         Na 134 mmol/l

pCO2 20 mmHg                              K 3.7 mmol/l

HCO3 6.8mmol/l                             Cl 100 mmol/l

B/E -23.4                                         Glucose 26 mmol/l

Lactate 4.3                                                        Cr 86umol/l

1. Describe and interpret the VBG
2. Discuss the management of this patient