A 17-year-old girl is brought to the emergency department with acute confusion after ingesting a large number of unknown tablets following an argument with her boyfriend. HR 120 BP 130/80 RR 40 GCS 10 ABG on room air and biochem: pH 7.3 pO2 90 pCO2 18 HCO3 10 BE -18 Na 143 K 3 Cl 103 Ur 5 Creat 152 Glucose 5.4

1. Outline four important abnormalities in these blood tests. 4 marks

2. List and justify four investigations you would perform in the emergency department. 4 marks

3. Outline four interventions you would perform in the emergency department for the toxin most likely to have been ingested. 4 marks