Ventricular Arrhythmias

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An overview of ventricular tachycardias
regularity atrial frequency ventricular frequency origin (SVT/VT) p-wave effect of adenosine
Wide complex (QRS>0.12)
Ventricular Tachycardia regular (mostly) 60-100 bpm 110-250 bpm ventricle (VT) AV-dissociation no rate reduction (sometimes accelerates)
Ventricular Fibrillation irregular 60-100 bpm 400-600 bpm ventricle (VT) AV-dissociation none
Ventricular Flutter regular 60-100 bpm 150-300 bpm ventricle (VT) AV-dissociation none
AIVR regular (mostly) 60-100 bpm 50-110 bpm ventricle (VT) AV-dissociation no rate reduction (sometimes accelerates)
Torsade de Pointes regular 150-300 bpm ventricle (VT) AV-dissociation no rate reduction (sometimes accelerates)