A 2-year-old boy weighing 15 kg is brought to the emergency department 1 hour after his mother found him with an open bottle of chewable children's multivitamins. The bottle held 60 tablets and now contains 8; each tablet contains 18 mg of elemental iron plus vitamin C and B vitamins. He has vomited twice since the discovery. He is alert, interactive and has mild diffuse abdominal tenderness. He has no medical conditions and takes no regular medications. Intravenous access has been established.
| Heart rate | 124/min |
| Respiratory rate | 28/min |
| Temperature | 37.0 °C |
| O2 saturation | 99%, room air |
| Blood pressure | 92/56 mm Hg |
Question 1 of 6
The poison centre has been contacted. Which of the following investigations are the most appropriate to assess the most dangerous component of this ingestion?
Select 2. (0 / 2 selected)
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