ECG of the Week – 10th August 2022

You are reviewing a 16 year old girl who has taken a 120mg/Kg overdose of her grandmothers theophylline tablets.

Her observations are BP 90/60, RR 22, Sats 98% air, T36.5, GCS 15. She is trembling and nauseous.

Her ECG is as below:


  1. Interpret the ECG.
  2. What is the dose related risk assessment of Theophylline in acute overdose?
  3. How would you manage her further?