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The most common sequel of lightning strikes is tympanic membrane rupture. When a person is struck by lightning, the rapid change in pressure can create a shock wave that can lead to various injuries, among which tympanic membrane (ear drum) rupture is frequently observed. This is due to the forceful pressure gradient created by the lightning discharge.

Injuries to the tympanic membrane can result in hearing loss, tinnitus, and potential complications if not managed appropriately. While other injuries such as cardiac arrest, fractures, and nerve damage can occur due to the tremendous energy and heat associated with lightning, they are not as universally observed as tympanic membrane damage. The prevalence of tympanic membrane rupture following lightning strikes is well-documented in the emergency medicine literature, making it a significant sequel that first responders and emergency clinicians are aware of when treating lightning strike victims.