When viewing this topic in a different language, you may notice some differences in the way the content is structured, but it still reflects the latest evidence-based guidance.

Infarto de miocardio sin elevación del segmento ST

Última revisão: 24 Sep 2025
Última atualização: 06 Aug 2025

Resumo

Definição

História e exame físico

Principais fatores diagnósticos

  • presencia de factores de riesgo
  • dolor torácico
  • diaforesis
  • shock cardiógeno
  • Insuficiencia cardíaca aguda
Detalhes completos

Outros fatores diagnósticos

  • náuseas y vómitos
  • dolor epigástrico
  • arritmias
  • ruido cardíaco anormal
  • disnea
  • síncope
  • presentación temprano en la mañana
Detalhes completos

Fatores de risco

  • tabaquismo
  • hipertensión
  • diabetes
  • obesidad y fenotipo del síndrome metabólico
  • Comportamiento sedentario e inactividad física
  • dislipidemia
  • enfermedad renal crónica (ERC)
  • aterosclerosis (antecedentes de angina, infarto de miocardio, accidente cerebrovascular, accidente isquémico transitorio, enfermedad vascular periférica)
  • antecedentes familiares de arteriopatía coronaria (AC) prematura
  • edad >60 años
  • consumo de cocaína
  • depresión
  • trombosis del stent o reestenosis
  • apnea del sueño
  • procedimientos quirúrgicos (incluidos períodos intraoperativos y postoperativos)
  • migraña
  • Resultados adversos del embarazo
  • carga anticolinérgica
Detalhes completos

Investigações diagnósticas

Primeiras investigações a serem solicitadas

  • electrocardiograma (ECG)
  • biomarcadores cardíacos
  • ecocardiografía
  • radiografía del tórax (RT)
  • hemograma completo (HC)
  • urea y creatinina sérica
  • electrolitos
  • pruebas de función hepática (PFH)
  • glucemia
  • proteína C-reactiva
Detalhes completos

Investigações a serem consideradas

  • angiografía/cateterismo cardíaco
  • lípidos
  • péptido natriurético cerebral (PNC) o N-terminal pro-PNC (NT-pro-PNC)
  • pruebas de esfuerzo
  • angiografía coronaria por tomografía computarizada (ACTC)
Detalhes completos

Algoritmo de tratamento

AGUDA

presentación aguda

CONTÍNUA

después de la estabilización

Colaboradores

Autores

Mahi L. Ashwath, MD, MBA, FACC, FASE, FSCMR

Professor of Medicine and Radiology

Multimodality Imaging Director

Inaugural Reuben Jacobs Chair in Internal Medicine

UHS/UT Heart and Vascular Institute

San Antonio

TX

Disclosures

MLA declares that she is a consultant for Tersera.

Acknowledgements

Dr Mahi L. Ashwath would like to gratefully acknowledge Dr Sanjay Gandhi, Dr Cody Deen, Dr Sripal Bangalore, Dr Mina Owlia, Dr Thomas Vanhecke, and Dr Dena Krishnan, the previous contributors to this topic.

Disclosures

SG declares that he is Senior Director of Medical Strategy and Innovation for the US market at Philips. SG is a senior advisor at Emeritus. SG is a voluntary board member of the American College of Cardiology (ACC) National Cardiovascular Data Registry oversight committee, the Chest Pain Myocardial Infarction registry steering committee, and the ACC finance committee. CSD was previously the Director of Cardiac Rehab for Chatham Hospital, which was financially set up as a consultancy relationship, until 2017. CSD has spoken (unpaid) at the Update in Cardiology and Update in Internal Medicine Conferences at UNC for the last 5 years. CSD has served as the PI for the Dal-GeneE (site now closed) and the ACCELERATE Trials at the University of North Carolina (trial now completed). Each trial required paid travel to an investigator meeting. SB, MO, TV, and DK declare that they have no competing interests.

Peer reviewers

Syed Wamique Yusuf, MBBS, FRCPI

Professor of Medicine

Department of Cardiology

University of Texas

MD Anderson Cancer Center

Houston

TX

Declarações

SWY declares that he has no competing interests.

Créditos aos pareceristas

Os tópicos do BMJ Best Practice são constantemente atualizados, seguindo os desenvolvimentos das evidências e das diretrizes. Os pareceristas aqui listados revisaram o conteúdo pelo menos uma vez durante a história do tópico.

Declarações

As afiliações e declarações dos pareceristas referem--se ao momento da revisão.

Referências

Nossas equipes internas de editoria e de evidências trabalham em conjunto com colaboradores internacionais especializados e pares revisores para garantir que forneçamos acesso às informações o mais clinicamente relevantes possível.

Principais artigos

Rao SV, O'Donoghue ML, Ruel M, et al. 2025 ACC/AHA/ACEP/NAEMSP/SCAI guideline for the management of patients with acute coronary syndromes: a report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. Circulation. 2025 Apr;151(13):e771-862.Texto completo  Resumo

Thygesen K, Alpert JS, Jaffe AS, et al; Executive Group on behalf of the Joint European Society of Cardiology (ESC)/American College of Cardiology (ACC)/American Heart Association (AHA)/World Heart Federation (WHF) Task Force for the Universal Definition of Myocardial Infarction. Fourth universal definition of myocardial infarction (2018). J Am Coll Cardiol. 2018 Oct 30;72(18):2231-64.Texto completo  Resumo

Byrne RA, Rossello X, Coughlan JJ, et al. 2023 ESC guidelines for the management of acute coronary syndromes. Eur Heart J. 2023 Oct 12;44(38):3720-826.Texto completo

Writing Committee Members; Gulati M, Levy PD, Mukherjee D, et al. 2021 AHA/ACC/ASE/CHEST/SAEM/SCCT/SCMR guideline for the evaluation and diagnosis of chest pain: a report of the American College of Cardiology/American Heart Association Joint Committee On Clinical Practice Guidelines. J Am Coll Cardiol. 2021 Nov 30;78(22):e187-285.Texto completo  Resumo

Amsterdam EA, Wenger NK, Brindis RG, et al. 2014 AHA/ACC guideline for the management of patients with non-ST-elevation acute coronary syndromes: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines. J Am Coll Cardiol. 2014 Dec 23;64(24):e139-228.Texto completo  Resumo

Lawton JS, Tamis-Holland JE, Bangalore S, et al. 2021 ACC/AHA/SCAI guideline for coronary artery revascularization: a report of the American College of Cardiology/American Heart Association Joint Committee On Clinical Practice Guidelines. Circulation. 2022 Jan 18;145(3):e18-114.Texto completo  Resumo

Artigos de referência

Uma lista completa das fontes referenciadas neste tópico está disponível para os usuários com acesso total ao BMJ Best Practice.
  • Infarto de miocardio sin elevación del segmento ST images
  • Diagnósticos diferenciais

    • Infarto de miocardio con elevación del segmento ST (IMCEST)
    • Angina inestable
    • Disección aórtica
    Mais Diagnósticos diferenciais
  • Diretrizes

    • 2025 ACC/AHA/ACEP/NAEMSP/SCAI guideline for the management of patients with acute coronary syndromes: a report of the American College of Cardiology/American Heart Association Joint Committee on clinical practice guidelines
    • 2025 ACC/AHA/ACEP/NAEMSP/SCAI guideline for the management of patients with acute coronary syndromes
    Mais Diretrizes
  • Folhetos informativos para os pacientes

    Angioplastía coronaria

    Qué puede hacer para prevenir otro ataque al corazón

    Mais Folhetos informativos para os pacientes
  • Calculadoras

    Estimador de riesgo ASCVD Plus

    Puntuación de trombolisis en el infarto de miocardio (TIMI) para angina inestable o infarto de miocardio sin elevación del segmento ST

    Mais Calculadoras
  • padlock-lockedConectar-se ou assinar para acessar todo o BMJ Best Practice

O uso deste conteúdo está sujeito ao nosso aviso legal