Blast injuries caused by projectiles and fragments, leading to penetrating and blunt trauma?

• A. Tertiary Blast Injury
• B. Secondary Blast Injury
• C. Primary Blast Injury
• D. Quaternary Blast Injuries

Answer: (B)

Secondary blast injuries arise from debris propelled by an explosion. Projectiles and fragments strike the body, causing penetrating wounds that can tear vessels, injure organs, and lodge fragments in tissues. The impact can also produce blunt trauma from the force of the strike, even as penetrating injuries occur. This distinguishes it from injuries caused by the blast’s pressure wave (primary), injuries from the body being thrown and impacting surfaces (tertiary), and other explosion-related conditions such as burns or inhalation (quaternary). So, injuries from projectiles and fragments that lead to penetrating and blunt trauma are described as secondary blast injuries. In practice, treat as penetrating trauma, with attention to hemorrhage control, potential embedded fragments, and overall trauma management.