Friday, 20 May 2016

ECG of the Week - 16th May 2016 - Interpretation

This ECG is from a 3yr old male who presented with increasing shortness of breath.

Click to enlarge
  • ~126 bpm
  • Sinus rhythm
  • Subtle sinus arrhythmia
  • Normal (~85 deg)
  • PR - Normal for age (100ms)
  • QRS - Normal (80ms)
  • QT - 280ms (QTc Bazette 420 ms)

  • rSr' pattern V1
  • Baseline artefact
  • P wave in II notched but normal height (<3mm) and duration (<90ms)
  • U wave in lead V3
  • Apparent high voltageds in precordial leads
    • Leads II.III,V1,V5,V6 within normal limits for age adjustment


  • Normal age adjusted ECG
    • Read more about the ECG changes associated with paediatric ECG's at the Life in the Fast Lane ECG library link below.

What happened ?

The patient has a viral induced wheexe and required admission for ongoing bronchodilator therapy and supplemental oxygen. 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.