ECG of the Week – 26th March 2018 – Interpretation

The following ECG is from a 45 yr old male who presents following an Out-of-Hospital Cardiac Arrest (OOHCA). He regained cardiac output en route to the Emergency Department.

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  • 96 bpm



  • Irregular
  • Nil P waves 


  • LAD


  • QRS – Normal


  • ST Elevation leads I (6mm), aVL (7mm), V6 (1mm)
  • ST Depression leads II, III, aVR, aVF, V1-5


  • Late R wave transition


  • High lateral STEMI
  • Atrial fibrillation 

What happened ?

The patient was transferred for urgent angiography and underwent stenting of a 1st Diagonal branch occlusion.
Further reading
All EM Physicians should be aware of their relevant National resuscitation guidelines.
The Australian Resuscitation Council has a set of comprehensive guidelines which can be found here:

 Here is a concise and quick review regarding some of the key considerations in a post-ROSC care plan from R.E.B.E.L.EM:

 References / Further Reading
Life in the Fast Lane



  • Chan TC, Brady WJ, Harrigan RA, Ornato JP, Rosen P. ECG in Emergency Medicine and Acute Care. Elsevier Mosby 2005.

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