A 60 year old male presents to ED with a 1 week history nausea, decreased oral intake and occasional vomiting. He has a background of poorly controlled hypertension on  Perindopril.

VBG:

pH 7.26                                    Na 142 mmol/l

pCO2 34mmHg                         Cl 107 mmol/l

HCO3 16mmol/l                        K 6.7 mmol/l

BE -8                                         Cr 607 umol/l

Lactate 2.5 mmol/l                     Glucose 5.6 mmol/l

1. Describe and Interpret the VBG
2. List the agents used in treatment of hyperkalaemia, their mechanism of action, dosage, onset of action and duration of action.