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Infarto do miocárdio com supradesnivelamento do segmento ST

Last reviewed: 24 Mar 2025
Last updated: 15 Jul 2024

Summary

Definition

History and exam

Key diagnostic factors

  • dor torácica
  • dispneia
  • palidez
  • diaforese
  • choque cardiogênico
Full details

Other diagnostic factors

  • sons cardíacos adicionais
  • náuseas e/ou vômitos
  • tontura ou sensação de desfalecimento
  • angústia e ansiedade
  • palpitações
  • ruídos adventícios
  • nível de consciência reduzido
  • hipotensão
  • localização ou natureza não clássica da dor (sintomas equivalentes à dor torácica)
Full details

Risk factors

  • tabagismo
  • hipertensão
  • diabetes
  • obesidade e síndrome metabólica
  • comportamento sedentário e inatividade física
  • dislipidemia
  • doença renal crônica
  • aterosclerose (história de angina, IAM, AVC, ataque isquêmico transitório, doença vascular periférica)
  • história familiar de DAC prematura
  • idade >60 anos
  • uso de cocaína
  • depressão
  • trombose de stent ou reestenose
  • apneia do sono
  • enxaqueca
  • desfechos adversos da gestação
Full details

Diagnostic investigations

1st investigations to order

  • eletrocardiograma (ECG)
  • angiografia coronariana
  • biomarcadores cardíacos
  • glicose sanguínea
  • hemograma completo
  • eletrólitos, ureia e creatinina
  • proteína C-reativa
  • lipídios séricos
Full details

Investigations to consider

  • gasometria arterial
  • radiografia torácica
  • ecocardiograma
Full details

Emerging tests

  • Proteína C de ligação à miosina cardíaca (CMyC)

Treatment algorithm

INITIAL

suspeita de infarto do miocárdio

ACUTE

hemodinamicamente instável

pacientes hemodinamicamente estáveis

ONGOING

pós-infarto agudo do miocárdio (IAM) com supradesnivelamento do segmento ST (IAMCSST)

Contributors

Authors

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

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 Thomas Vrobel and Dr Sanjay Gandhi, previous contributors to this topic.

Disclosures

TV declares that he has no competing interests.

Peer reviewers

Dale Adler, MD, FACC

Vice Chairman of Medicine for Network Development and Strategic Planning

Brigham and Women's Hospital

Boston

MA

Disclosures

DA declares that he has no competing interests.

Deepak L. Bhatt, MD

Associate Professor of Medicine

Department of Cardiovascular Medicine

Cleveland Clinic

OH

Disclosures

DLB declares that he has no competing interests.

Gregory Lip, MD, FRCP, FACC, FESC

Consultant Cardiologist and Professor of Cardiovascular Medicine

University Department of Medicine

City Hospital

Birmingham

UK

Disclosures

GL declares that he has no competing interests.

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