Overview
- Ángel, 1, died at IMSS Clinic 25 in Monterrey days after doctors endoscopically removed a swallowed battery.
- Imaging confirmed a retained foreign object after he developed symptoms in Reynosa, where his mother had earlier taken a cylindrical AA battery from his mouth.
- Nuevo León forensic officials determined the cause of death was pneumonitis secondary to ingestion of a foreign body linked to battery chemicals.
- Authorities have described the ingestion as accidental and have not announced further investigations.
- Reports emphasize that button and small household batteries can release caustic substances and generate electrical current that rapidly damages internal tissue.