Wednesday, 7 March 2012

ECG of the Week - 5th March 2012 - Interpretation

This weeks ECG was from a 97 yr old brought into the Emergency Department having been found collapsed at home.





Click to enlarge
Rate:
  • 30
Rhythm:
  • Irregular
  • No p waves visible
Axis:
  • Normal (+20 deg)
Intervals:
  • PR - no p waves visible
  • QRS - prolonged (160ms)
  • QT - 720-760ms (QTc Bazette 570-600 ms)
Segments:
  • Inferior ST sagging
Additional:
  • Right bundle branch block
  • Terminal QRS Notching - J wave

Interpretation:
  • Bradycardia
  • Slow atrial fibrillation
  • J waves
  • QT Prolongation

  • ECG Findings consitent with hypothermia
  • Patient's core temperature was 28C (82F)


References / Further Reading

Life in the Fast Lane
ECGpedia
eMedicine
Textbook
  • Chan TC, Brady WJ, Harrigan RA, Ornato JP, Rosen P. ECG in Emergency Medicine and Acute Care. Elsevier Mosby 2005.