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Elevaciones localizadas del ST y depresiones del PR en la pericarditis por lupus eritematoso sistémico: una
Evan Derector1, Madhurima S Gundlapally2, Nicholas R Young1,2
1Department of Internal Medicine, Cooper Medical School of Rowan University, Camden, New Jersey, USA, rowan.edu.
Case reports in medicine
|February 19, 2026
Resumen
El ultrasonido en el punto de atención (POCUS) ayuda a distinguir la pericarditis asociada con el lupus eritematoso sistémico (LES) del síndrome coronario agudo (SCA). Este caso demuestra la utilidad del POCUS y el examen físico en el diagnóstico de afectación cardíaca en pacientes con LES que presentan dolor torácico.
Área de la Ciencia:
- Cardiología; Reumatología; Enfermedades Autoinmunes
Sus antecedentes:
- El lupus eritematoso sistémico (LES) a menudo afecta las estructuras cardíacas.; La distinción de las manifestaciones cardíacas del LES de otras afecciones agudas puede ser un desafío.
Objetivo del estudio:
- Destacar la utilidad del ultrasonido en el punto de atención (POCUS) en el diagnóstico de la pericarditis asociada a LES.; Enfatizar la importancia de las habilidades clínicas en la diferenciación de emergencias cardíacas en pacientes con LES.
Principales métodos:
- Informe de caso de un hombre de 49 años con antecedentes de 20 años de LES.; Se utilizó POCUS en la cabecera del paciente para identificar el derrame pericárdico.; Se corroboraron los hallazgos con ecocardiograma transtorácico (ETT) y biomarcadores cardíacos.; Se manejó según el diagnóstico de pericarditis asociada a LES.
Principales resultados:
- El POCUS reveló un pequeño derrame pericárdico posterior.; El electrocardiograma (ECG) mostró elevaciones aisladas del ST inferior y depresiones del PR, imitando el síndrome coronario agudo (SCA).; Las troponinas y las imágenes negativas descartaron el SCA, lo que llevó a un diagnóstico de pericarditis asociada a LES.
Conclusiones:
- El POCUS y el examen físico son cruciales para diferenciar la pericarditis asociada a LES del SCA.; Los cambios localizados en el ECG en pacientes con LES justifican una investigación exhaustiva más allá del SCA.; El diagnóstico y manejo tempranos de la pericarditis asociada a LES son esenciales.
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