ECG Dysrhythmia

Dysrhythmia

 

Wide Complex Tachycardia

Standard VT (VT in structurally abnormal heart)

Fascicular VT (structurally normal heart)

Smith post here. Can be seen in children w/ normal hearts. Usually relatively narrow (≤ 140 ms) QRS. Usually well tolerated and HD stable. POCUS to eval for cardiomyopathy or structural abnormality prior to giving negative inotrope like verapamil. Comes in 2 variants:

Posterior fascicular VT

  • Originates in posterior fascicle and has RBBB + LAFB morphology
  • Verapamil responsive (not adenosine)

RVOT fascicular VT

  • Has LBBB morphology and inferior axis
  • Adenosine responsive

Antidromic AVRT

SVT w/ aberrancy