ECG of the Week – 17th December 2018 – Interpretation

The following ECG is from a 55 yr old female who presented complaining of chest  pain and dysponea.


Click to enlarge

Rate:

  • 72 bpm

Rhythm: 

  • Regular 
  • Sinus Rhythm 

Axis:

  • RAD

Intervals:

  • PR – Normal (~160ms)
  • QRS – Normal (60ms)

 Additional:

  • Complete lead inversion leads I & aVL
    • P / QRS / T inversion

Interpretation:
  • Lead reversal LA / RA
    • Results in:
      • Inversion of lead I
      • Switch of aVR & aVL
      • Switch of II & III

References / Further Reading

 
Life in the Fast Lane

Textbook

 

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

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