In blast injuries, secondary blast injury is caused by what mechanism?

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Multiple Choice

In blast injuries, secondary blast injury is caused by what mechanism?

Explanation:
Secondary blast injuries come from debris and fragments propelled by the explosion—shrapnel. When the charge detonates, fragments from the device and surrounding materials hurtle outward at high speed, causing penetrating trauma to tissues and organs. This distinguishes it from injuries caused by the blast overpressure itself (primary), by the body being thrown and struck against solid objects (tertiary), or from burns and other effects from the explosion (quaternary). So, shrapnel is the mechanism behind secondary blast injury.

Secondary blast injuries come from debris and fragments propelled by the explosion—shrapnel. When the charge detonates, fragments from the device and surrounding materials hurtle outward at high speed, causing penetrating trauma to tissues and organs. This distinguishes it from injuries caused by the blast overpressure itself (primary), by the body being thrown and struck against solid objects (tertiary), or from burns and other effects from the explosion (quaternary). So, shrapnel is the mechanism behind secondary blast injury.

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