b'Penetrating InjuriesChapter hapterPenetrating injuries can mislead the first aider because the entry wound is often quite small. The seriousness of the injury may be underestimated and possibly lead to fatal consequences due to severe underlying tissue damage and shock.Penetrating injuries such as a stab or projectile can cause devastation to major internal organs and structures.Serious injury can be sustained to the following:Brain - massive blood loss and often immediate death.Airway structures - severe breathing difficulty.Spine and nerves - possible paralysis or loss of organ function.Blood vessels - massive bleeding causing severe shock.Heart - massive blood loss reducing the ability of the heart to pump.Lungs - air escape into the chest cavity causing compression on the heart andlungs which compromises their function. Massive blood loss.Abdominal organs - massive blood loss and dysfunction to the spleen, liver, stomach,kidneys and intestines.Chest and Abdomen Injury 101'