Disk batteries (or button batteries) are found in many consumer electronics. The last few decades have seen an increase in demand for compact electronic products with a broadened use of both more substantial and more powerful batteries. With the rise in the use of button batteries, the incidence of battery ingestion has also increased. Disk batteries can cause significant serious injury when aspirated or swallowed. Most ingestions occur in small children. Fortunately, most cases of disk battery ingestion are benign. Complications are rare but can be severe and may include injury to the esophagus, trachea, laryngeal nerve, or adjacent structures. More than 97% of battery ingestion cases have mild effects or none at all.
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