Seizures and severe methaemoglobinaemia following accidental ingestion of amyl nitrite.
BMJ Case Rep
; 17(5)2024 May 28.
Article
em En
| MEDLINE
| ID: mdl-38806397
ABSTRACT
We present a case of a man in his late 40s presenting with generalised tonic-clonic seizures and profound methaemoglobinaemia shortly after inadvertent ingestion of amyl nitrite. Arterial blood gas analysis demonstrated methaemoglobin levels exceeding the upper detection threshold of our analyser, accompanied with profound cyanosis despite apparent oxygen saturations of 94%. Prompt administration of intravenous methylene blue led to a rapid and complete recovery. This case highlights the importance of swift recognition and treatment of methaemoglobinaemia particularly when the precipitating factor may be unknown at the time of presentation. This case also demonstrates the potential limitations of bedside blood gas analysers in diagnosis.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Convulsões
/
Nitrito de Amila
/
Metemoglobinemia
/
Azul de Metileno
Limite:
Adult
/
Humans
/
Male
Idioma:
En
Revista:
BMJ Case Rep
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
Reino Unido
País de publicação:
Reino Unido