Accidente isquémico transitorio

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Evidence last reviewed: 22 Jun 2026
Topic last updated: 01 Jul 2025

Summary

განსაზღვრება

History and exam

Key diagnostic factors

  • inicio repentino y breve duración de los síntomas (minutos)
  • Informe del paciente/testigo del déficit neurológico focal
Full details

Other diagnostic factors

  • debilidad o parálisis unilateral
  • disfasia
  • ataxia, vértigo o pérdida del equilibrio
  • pérdida repentina y transitoria de la visión en un ojo (amaurosis fugaz)
  • Hemianopsia homónima
  • diplopía
  • factores de riesgo
Full details

Risk factors

  • fibrilación auricular
  • enfermedad valvular
  • estenosis carotídea
  • estenosis intracraneal
  • insuficiencia cardíaca congestiva
  • hipertensión
  • hiperlipidemia
  • diabetes mellitus
  • tabaquismo
  • Trastorno por consumo de alcohol
  • edad avanzada
  • foramen oval permeable (FOP)
  • inactividad
  • obesidad
  • hipercoagulabilidad
Full details

Diagnostic investigations

1st investigations to order

  • glucemia
  • hemograma completo y recuento de plaquetas
  • tiempo de protrombina, INR, tiempo de tromboplastina parcial
  • lipidograma en ayunas
  • electrolitos séricos
  • electrocardiograma (ECG)
Full details

Investigations to consider

  • exploración por tomografía computarizada (TC)
Full details

Treatment algorithm

INITIAL

sospecha de accidente isquémico transitorio

ACUTE

accidente isquémico transitorio confirmado

Contributors

Expert advisers

Matthew Jones, MD, FRCP

Consultant Neurologist

Manchester Centre for Clinical Neurosciences

Northern Care Alliance

Honorary Senior Lecturer

University of Manchester

Manchester

UK

Disclosures

MJ is the chair of the Association of British Neurologists Education Committee (unpaid position). MJ is a faculty member of a MRCP revision course and has received honoraria from Eisai for educational talks.

Rachael Power, MBChB, MRCP

Neurology Registrar

Manchester Centre for Clinical Neurosciences

Manchester

UK

Disclosures

RP declares that she has no competing interests.

Acknowledgements

BMJ Best Practice would like to gratefully acknowledge the previous team of expert contributors, whose work is retained in parts of the content:

Jennifer Simpson, MD

Associate Assistant Professor

Department of Neurology

University of Colorado School of Medicine

Denver

CO

Disclosures: JS is a site investigator for the POINT trial.

Ethan Cumbler, MD

Associate Professor

Section of Hospital Medicine

Department of Internal Medicine

Division of Medicine

University of Colorado School of Medicine

Denver

CO

Disclosures: EC declares that he has no competing interests.

Peer reviewers

Kayvan Khadjooi, MD, FRCP, PGCertMedEd

Consultant in Stroke Medicine

Addenbrooke’s Hospital

Associate Lecturer

School of Clinical Medicine

University of Cambridge

Cambridge

UK

Disclosures

KK has received travel grants for conferences/speaker honoraria from Bayer, Boehringer, Daiichi-Sankyo, Pfizer, and Shire.

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

National Institute for Health and Care Excellence. Stroke and transient ischaemic attack in over 16s: diagnosis and initial management. Apr 2022 [internet publication].Full text

Royal College of Physicians; Scottish Intercollegiate Guidelines Network; Royal College of Physicians of Ireland. National clinical guidelines for stroke for the United Kingdom and Ireland. April 2023 [internet publication].Full text

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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