Summary
Definition
History and exam
Key diagnostic factors
- presença de fatores de risco
- alteração do estado mental
- taquicardia
- hipotensão
- midríase
- pele quente, ruborizada e seca
- alteração do estado mental
- ruídos hidroaéreos reduzidos ou ausentes
- retenção urinária
- sinais oftálmicos
- sinais neurológicos
Other diagnostic factors
- características da síndrome serotoninérgica
Risk factors
- história de depressão
- transtorno obsessivo-compulsivo
- dor crônica
- transtorno do deficit de atenção com hiperatividade
Diagnostic investigations
1st investigations to order
- eletrocardiograma (ECG)
- tentativa terapêutica com bicarbonato de sódio
- gasometria arterial
Investigations to consider
- concentrações séricas de ADT
- concentrações de paracetamol sérico
- concentrações de salicilato sérico
- exame de urina para detecção de drogas
Treatment algorithm
superdosagem de antidepressivo tricíclico (ADT) suspeita ou confirmada
Contributors
Authors
Alastair Newton, MB ChB, FCEM
Staff Specialist in Emergency Medicine
Emergency Department
The Prince Charles Hospital
Brisbane
Queensland
Australia
Disclosures
AN declares that he has no competing interests.
Acknowledgements
Dr Alastair Newton would like to gratefully acknowledge Dr Catherine Kelly and Dr Robert S. Hoffman, previous contributors to this topic. CK and RSH declare that they have no competing interests.
Peer reviewers
Edward Boyer, MD
Lecturer Pediatrics
The Children's Hospital
Boston
MA
Disclosures
EB declares that he has no competing interests.
Ruben Thanacoody, MD, FRCP(Edin)
Consultant Physician and Clinical Toxicologist
National Poisons Information Service (Newcastle)
Newcastle-upon-Tyne
UK
Disclosures
RT declares that he has no competing interests.
Laurie Prescott, MD, FRCP (Lond), FRCP (Edin), FFPM, FRSE
Emeritus Professor of Clinical Pharmacology
University of Edinburgh and Western General Hospital
Edinburgh
UK
Disclosures
LP 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
Key articles
Woolf AD, Erdman AR, Nelson LS, et al. Tricyclic antidepressant poisoning: an evidence-based consensus guideline for out-of-hospital management. Clin Toxicol (Phila). 2007;45:203-233. Abstract
Body R, Bartram T, Azam F, et al. Guidelines in Emergency Medicine Network (GEMNet): guideline for the management of tricyclic antidepressant overdose. Emerg Med J. 2011;28:347-368. Abstract
Lavonas EJ, Akpunonu PD, Arens AM, et al. 2023 American Heart Association focused update on the management of patients with cardiac arrest or life-threatening toxicity due to poisoning: an update to the American Heart Association guidelines for cardiopulmonary resuscitation and emergency cardiovascular care. Circulation. 2023 Oct 17;148(16):e149-84.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.
Differentials
- Superdosagem de bloqueadores dos canais de sódio
- Condições que causam o desvio do eixo para a direita no ECG
- Superdosagem anticolinérgica
More DifferentialsGuidelines
- 2023 Focused update on management of patients with cardiac arrest or life-threatening toxicity due to poisoning
- European Resuscitation Council guidelines for resuscitation, 2021
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