Ventricular Tachycardia | Reference Guide.

EKG Features

Rate: Fast (100-250 bpm)
Rhythm: Regular
P Wave: Absent
PR Interval: Not measurable
QRS: Wide (>0.10 sec), bizarre appearance
Ventricular Tachycardia occurs when the rate exceeds 100 bpm.
Ventricular tachycardia (VT) is a rapid heartbeat over 100 bpm that originates in the ventricles. The EKG will show three or more irregular heartbeats in a row. Ventricular tachycardia can be classified by type. Several types of VT, including Monomorphic, Polymorphic and Torsade de Pointes are available for review on this website. Ventricular tachycardia requires immediate medical attention.
External Source: http://www.nlm.nih.gov/medlineplus/ency/article/000187.htm
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