ECG of the Week - 21st May 2012 - Interpretation

This weeks ECG is from a 40 year old female complaining of palpitations.

Click to enlarge

Rate:

• 180

Rhythm:

• Regular
• Absent p waves

Axis:

• Normal (+45 deg)

Intervals:

• PR - No p waves visible
• QRS - Normal (80ms)
• QT - 200ms (QTc Bazette ~ 350 ms)

Segments:

• ST Elevation aVR
• ST Depression I, III, aVF, V3-6

Additional:

• T wave inversion III

Interpretation

• Narrow Complex Tachycardia
• Absent p waves
• ST Segment Changes

• SVT likely AVNRT

 References / Further Reading

Life in the Fast Lane

• Supraventricular Tachycardias here

Textbook

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