Abbreviated Injury Score

Head 6 Crush of Head or Brain
5Brain Stem contusion
4Epidural haemtoma (small)
Face2Optic nerve laceration
3External carotid laceration (major)
3Le Fort III fracture
Neck5Crushed larynx
3Pharynx haematoma
1Thyroid gland contusion
Thorax4Open chest wound
4Aorta, intima tear
2Oesophageal contusion
3Myocardial contusion
4Pulmonary contusion (bilateral)
2Two or three rib fractures
Abdomen and Pelvic Contents4Bladder perforation
4Colon transection
3Liver laceration >20% blood loss
3Retroperitoneal haematoma
4Splenic laceration – major
Spine2Incomplete brachial plexus
5Complete spinal cord c4 or below
3Herniated disk with radiculopathy
3Vertebral body compress >20%
Upper Extremity3Amputation
3Elbow crush
2Shoulder dislocation
3Open forearm fracture
Lower Extremity3Amputation – below knee
4Amputation – above knee
2Hip dislocation
2Knee dislocation
3Femoral shaft fracture
3Open pelvic fracture
External3Hypothermia 31-30°C
3Electrical injury with myonecrosis
3Second degree to third degree burns – 20-29% body surface area
Abbreviated Injury Score