Ventricular Tachycardia

A single irritable site within the ventricle fires too fast which override the higher control site of the heart.

Rate usually 150-250 beats/min, not preceded by P waves, no PR interval, QRS complex wide and bizarre, 0.12 sec or greater.

Treatment of ventricular tachycardia

1.      Intravenous potassium infusion.

2.      Lidocaine infusion.

3.      Procainamide.

4.      Cardioversion 0.5 to 2 J/kg

 

Reentrant Ventricular Tachycardia:

Five modes of treatment are available

1.      Maneuvers to change the vagal tone

2.      Drug therapy

3.      Pacing

4.      Cardioversion

5.      Ablation (Medical or Surgical)

 

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