Cardiac Conduction, Dysrhythmias, and Pacing
Richard J. Czosek
David S. Spar
Jeffrey B. Anderson
Timothy K. Knilans
Bradley S. Marino
KEY POINTS
The possible mechanisms of tachyarrhythmias are reentry, increased automaticity, and triggered activity.
Until otherwise proven, a wide complex tachycardia should be considered ventricular tachycardia (VT).
The most common dysrhythmia in children is supraventricular tachycardia (SVT), specifically atrioventricular reciprocating tachycardia (AVRT) and AV nodal reentrant tachycardia (AVNRT).
The presenting symptoms of SVT
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