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Afogamento

Última revisão: 16 Aug 2025
Última atualização: 15 Apr 2025

Resumo

Definição

History and exam

Key diagnostic factors

  • presença de fatores de risco
  • comprometimento respiratório
  • evidências de submersão ou imersão
Full details

Other diagnostic factors

  • hipotermia
  • sinais de trauma
Full details

Risk factors

  • idade (1-4 anos)
  • sexo masculino
  • ingestão de álcool ou drogas
  • nadar sozinho/mergulhar
  • falta de conscientização dos riscos da água
  • exposição à água
  • falta de habilidade para nadar
  • doença cardíaca
  • transtorno convulsivo
Full details

Diagnostic investigations

1st investigations to order

  • oximetria de pulso/gasometria
  • radiografia torácica
  • perfil metabólico básico
Full details

Investigations to consider

  • tomografia computadorizada (TC) da coluna cervical
  • creatina quinase
  • álcool sérico e drogas de abuso na urina
  • eletrocardiograma (ECG)
  • biomarcadores cardíacos séricos
  • níveis de medicamentos anticonvulsivantes
Full details

Treatment algorithm

INITIAL

todos os pacientes

ACUTE

grau 1 (tosse com ausculta pulmonar normal)

grau 2 (estertores em alguns campos pulmonares)

grau 3 (edema pulmonar agudo sem hipotensão nem choque)

grau 4 (edema pulmonar agudo com hipotensão ou choque)

grau 5 (sem ventilação espontânea, pulso carotídeo presente)

grau 6 (parada cardiopulmonar)

Contributors

Authors

David Szpilman, MD

Medical Director - Brazilian Lifesaving Society - Sobrasa

Lieutenant Colonel MD, retired - Fire Department of Rio de Janeiro

Civil Defense Rio de Janeiro City - Education adviser Defesa Civil Municipal do Rio de Janeiro

Co-founder - International Drowning Researcher's Alliance - IDRA

Rio de Janeiro

Brazil

Disclosures

DS is an author of several references cited in this topic.

Justin Sempsrott, MD, FAAEM

Executive Director: Lifeguards Without Borders

Medical Director: International Surf Lifesaving Association

Medical Director: Innovative Attraction Management Starguard Elite

Kuna

ID

Disclosures

JS has received compensation for expert testimony in court cases involving drowning on behalf of plaintiffs and defense. JS received a monthly stipend as the medical director for a lifeguard training and risk management company, StarGuard Elite.

Andrew Schmidt, DO, MPH

Associate Professor

Department of Emergency Medicine

University of Florida College of Medicine - Jacksonville

Medical Director: Jacksonville Beach Ocean Rescue

Deputy Medical Director: Trauma One

Jacksonville

FL

Disclosures

AS has received compensation for expert testimony in court cases involving drowning on behalf of plaintiffs and defense.

Acknowledgements

Dr David Szpilman, Dr Justin Sempsrott, and Dr Andrew Schmidt would like to gratefully acknowledge Dr Bhakti K. Patel and Dr D. Kyle Hogarth, previous contributors to this topic.

Disclosures

BKP and DKL declare that they have no competing interests.

Peer reviewers

Ajeet G. Vinayak, MD

Assistant Professor of Internal Medicine

Department of Medicine

Division of Pulmonary and Critical Care Medicine

Charlottesville

VA

Disclosures

AGV declares that he has no competing interests.

Richard Franklin, PhD

Associate Professor

James Cook University

Townsville

Queensland

Australia

Disclosures

RF declares that he 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

European Resuscitation Council. European Resuscitation Council Guidelines 2021. 2021 [internet publication].Full text

Panchal AR, Bartos JA, Cabañas JG, et al. 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

The Resuscitation Council (UK). Resuscitation guidelines. 2021 [internet publication].Full text

Davis CA, Schmidt AC, Sempsrott JR, et al. Wilderness Medical Society clinical practice guidelines for the treatment and prevention of drowning: 2024 update. Wilderness Environ Med. 2024 Mar;35(suppl 1):94-111S.Full text  Abstract

Dezfulian C, McCallin TE, Bierens J, et al. 2024 American Heart Association and American Academy of Pediatrics focused update on special circumstances: resuscitation following drowning: an update to the American Heart Association guidelines for cardiopulmonary resuscitation and emergency cardiovascular care. Circulation. 2024 Dec 3;150(23):e501-16.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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