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Taquicardias ventriculares sustentadas

Last reviewed: 20 Aug 2025
Last updated: 20 Dec 2024

Summary

Definition

History and exam

Key diagnostic factors

  • doença arterial coronariana
  • presença de outros fatores de risco
  • taquicardia
  • hipotensão
Full details

Other diagnostic factors

  • pulso fraco
  • síncope
  • pré-síncope
  • comprometimento das vias aéreas
  • consciência prejudicada
  • tontura
  • tontura
  • responsividade diminuída
  • desconforto torácico
  • dispneia
  • assintomático
Full details

Risk factors

  • doença arterial coronariana
  • infarto agudo do miocárdio
  • disfunção sistólica ventricular esquerda
  • cardiomiopatia hipertrófica
  • síndrome do QT longo
  • síndrome do QT curto
  • Síndrome de Brugada
  • distúrbios respiratórios do sono (DRS)
  • história familiar de morte súbita
  • estresse físico ou mental
  • pré-excitação ventricular
  • cardiomiopatia arritmogênica do ventrículo direito
  • desequilíbrio eletrolítico
  • toxicidade medicamentosa
  • doença de Chagas e outras cardiomiopatias
Full details

Diagnostic investigations

1st investigations to order

  • Eletrocardiograma (ECG)
  • ecocardiografia transtorácica
  • eletrólitos
  • troponina I
Full details

Investigations to consider

  • cateterismo cardíaco
  • ressonância nuclear magnética (RNM) cardíaca
  • estudo eletrofisiológico (EF)
  • teste genético
Full details

Treatment algorithm

INITIAL

taquicardia ventricular hemodinamicamente instável com pulso

torsades de pointes

taquicardia ventricular polimórfica catecolaminérgica

ACUTE

taquicardia ventricular sustentada não idiopática hemodinamicamente estável

taquicardia ventricular sustentada idiopática hemodinamicamente estável

ONGOING

não idiopática: com alto risco de taquicardia ventricular ou história de taquicardia ventricular sustentada/parada cardíaca sem causa reversível identificável

taquicardia ventricular idiopática

Contributors

Authors

Sei Iwai, MD, FACC, FHRS

Professor of Clinical Medicine

New York Medical College

Section Chief, Cardiac Electrophysiology

Westchester Medical Center Health Network

Valhalla

NY

Disclosures

SI is an author of some references cited in this topic.

Acknowledgements

Professor Sei Iwai would like to gratefully acknowledge Dr Kenneth Stein and Dr Richard Keating, previous contributors to this topic.

Disclosures

KS declares he is an employee of and shareholder in Boston Scientific, a manufacturer of implantable cardioverter defibrillators and ablation catheters. RK declares that he has no competing interests.

Peer reviewers

Suneet Mittal, MD

Director

Electrophysiology Laboratory

The St. Luke's-Roosevelt Hospital Center

New York

NY

Disclosures

SM declares that he has no competing interests.

Kenneth A. Ellenbogen, MD

Kontos Professor of Cardiology

Medical College of Virginia

Richmond

VA

Disclosures

KAE declares that he has no competing interests.

Kim Rajappan, MA, MD, MRCP

Consultant Cardiologist and Electrophysiologist

Cardiac Department

John Radcliffe Hospital

Oxford

UK

Disclosures

KR declares that she has no competing interests.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

Zeppenfeld K, Tfelt-Hansen J, de Riva M, et al. 2022 ESC guidelines for the management of patients with ventricular arrhythmias and the prevention of sudden cardiac death. Eur Heart J. 2022 Oct 21;43(40):3997-4126.Full text  Abstract

Al-Khatib SM, Stevenson WG, Ackerman MJ, et al. 2017 AHA/ACC/HRS Guideline for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death: a report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. J Am Coll Cardiol. 2018 Oct 2;72(14):e91-220. Abstract

Panchal AR, Bartos JA, Cabañas JG, et al; Adult Basic and Advanced Life Support Writing Group. Part 3: adult basic and advanced life support: 2020 American Heart Association guidelines for cardiopulmonary resuscitation and emergency cardiovascular care. Circulation. 2020 Oct 20;142(16_suppl_2):S366-468.Full text  Abstract

Cronin EM, Bogun FM, Maury P, et al. 2019 HRS/EHRA/APHRS/LAHRS expert consensus statement on catheter ablation of ventricular arrhythmias. J Arrhythm. 2019 May 10;35(3):323-484.Full text  Abstract

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
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