Answer:
Ventricular tachycardia:
This tachycardia may be defined as in which the beating of ventricles is not controlled by the sinoatrial node. The heart beating is affected in ventricular tachycardia. The main symptoms of this tachycardia are syncope, dizziness and breath.
Supra-ventricular tachycardia:
This tachycardia may be defined as in which the electrical signals of heart from the upper chamber interferes with the sinoatrial node. The heart beating is increased in supra-ventricular tachycardia. This tachycardia is more commonly found in woman, infants and smokers.