Torsades de pointes (type de tachycardie ventriculaire polymorphe)

Fréquence: Rapide (200-250 bpm)
Rythme: Irrégulier
Onde P: Absente
Intervalle P-R: Non mesurable
Complexe QRS: Large (>0,10 s), aspect étrange

Les torsades de pointes sont un type de TV polymorphe particulier. À l'ECG, on peut les reconnaître grâce aux complexes QRS en rotation autour de la ligne isoélectrique. Voir les pages sur la tachycardie ventriculaire, la TV monomorphe et la TV polymorphe pour obtenir des informations en lien avec ce sujet.
External Source: http://www.nlm.nih.gov/medlineplus/ency/article/000187.htm
MedlinePlus

Authors and Sources

Authors and Reviewers

EKG heart rhythm modules: Thomas O'Brien.
EKG monitor simulation developer: Steve Collmann
12 Lead Course: Dr. Michael Mazzini, MD.
Spanish language EKG: Breena R. Taira, MD, MPH
Medical review: Dr. Jonathan Keroes, MD
Medical review: Dr. Pedro Azevedo, MD, Cardiology
Last Update: 11/8/2021

Sources

Electrocardiography for Healthcare Professionals, 5th Edition Kathryn Booth and Thomas O'Brien
ISBN10: 1260064778, ISBN13: 9781260064773
McGraw Hill, 2019
Rapid Interpretation of EKG's, Sixth Edition
Dale Dublin
Cover Publishing Company
12 Lead EKG for Nurses: Simple Steps to Interpret Rhythms, Arrhythmias, Blocks, Hypertrophy, Infarcts, & Cardiac Drugs
Aaron Reed
Create Space Independent Publishing
Heart Sounds and Murmurs: A Practical Guide with Audio CD-ROM 3rd Edition
Elsevier-Health Sciences Division
Barbara A. Erickson, PhD, RN, CCRN
The Virtual Cardiac Patient: A Multimedia Guide to Heart Sounds, Murmurs, EKG Jonathan Keroes, David Lieberman
Publisher: Lippincott Williams & Wilkin)
ISBN-10: 0781784425; ISBN-13: 978-0781784429
Project Semilla, UCLA Emergency Medicine, EKG Training Breena R. Taira, MD, MPH