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Posts Tagged ‘epsilon waves in vt’

Ventricular tachycardia is a common cardiac arrhythmia. The significance of which can be very dangerous to relatively benign  depending upon the etiology and underlying heart disease . The ECG during VT is rarely useful to identify the etiology .Often times  ECG after reversal will  throw more light .

What are the ECG clues one should look for once VT is  reverted ?

  • Any evidence for old MI
  • Low voltage QRS/ LBBB/RBBB may indicate DCM
  • LVH -HOCM features
  • VPDs – Multiple , LBBB morphology / suggest  RVOT  VT
  • QRS slur or notching  indicating scars
  • Epsilon waves indicate  ARVD
  • RBBB pattern would  suggest  Brugada
  • Prolonged QT interval
  • Tall  T waves/ U waves /  Inverted  T -and other electrolytic abnormality.
  • Delta waves would indicate anti-dromic tachycardia.

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