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.
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
5. Ablation (Medical or Surgical)