Ventricular Tachycardia Polymorphic | Reference Guide
EKG Features
Rate: Fast (100-300 bpm)Rhythm: Regular or irregular
P Wave: Absent
PR Interval: Not measurable
QRS: Normal or wide (>0.10 sec), bizarre looking
Polymorphic ventricular tachycardia has changing ECG shapes from beat to beat. See the pages on ventricular tachycardia, monomorphic VT and Torsade de Pointes for related information.
External Source: http://www.nlm.nih.gov/medlineplus/ency/article/000187.htm
MedlinePlus
Ventricular Tachycardia Polymorphic | Reference Guide Example

Authors, Reviewers and Developers
EKG rhythms classes: Thomas O'Brien.EKG monitor simulation: Steve Collmann
12 Lead Lecture: Dr. Michael Mazzini, MD, Cardiologist.
Spanish EKG: Breena R. Taira, MD, MPH
Medical review: Dr. Jonathan Keroes, MD, Cardiologist,
Dr. Barbara Erickson, PhD, RN, CCRN.
EKG tracings medical review: Dr. Pedro Azevedo, MD, Cardiology
Last Update: 11/7/2022
Return to EKG Reference Guide Index