Indian journal of pediatrics
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Foreign body ingestion is a common problem for which children present to the emergency department. The most common ingested foreign bodies among children are coins. Metal detector is an equipment, which measures a change in inductance of a coil when an electroconductive material is placed near it and produces an audio-visual signal. The present study was conducted to determine the effectiveness and feasibility of HMD in the local Pediatric population. ⋯ The study demonstrates that handheld metal detector can be safely and reliably used as a screening tool in the process of detecting ingested coins. The plain radiograph still appears to be superior as it accurately localizes sharp metallic objects as well as cell batteries (button batteries) which need to be detected early and removed in order to prevent complications. Handheld metal detector is an effective tool that can be used in the follow up of patients to confirm whether the coin like metallic foreign body has been expelled. Handheld metal detector examination is more sensitive than traditional X-ray examination to detect radiolucent metallic foreign bodies like aluminium.