Polymorphic ventricular tachycardia is an abnormal heart rhythm where the bottom chambers of your heart beat too quickly. People with severe cases may experience sudden cardiac arrest. Conditions that ...

Adenosine is safe for treating supraventricular tachycardia (SVT) in children in emergency settings, and patients have not experienced sustained ventricular tachycardia or prolonged cardiac pauses ...

Wide complex tachycardia is a general term that refers to conditions that cause an unusually fast heart rate and a particular pattern on an EKG. Tachycardia is when your heart beats unusually fast, ...