CAISS Certification Study Guide – Abbreviated Injury Scale Coding and Trauma Scoring

CAISS Certification Study Guide – Abbreviated Injury Scale Coding and Trauma
Scoring
Perforation - Answerhole or break or opening made through the entire thickness of a
membrane, wall or other tissue of an organ or structure of the body

Rupture - Answerbreaking open or bursting to forcibly resulting in a hole, break, or
opening with stellate edges or devitalized tissue

AIS assesses: - Answerassesses the severity of single injuries

ISS assesses: - Answerassesses the severity of multiply injured patients

ISS equation - Answersum of the squares of the highest AIS in each of the three most
severely injured body regions
A2 + B2 + C2 = ISS

Body regions used to calculate ISS - Answer1. Head and Neck
2. Face
3. Chest
4. Abdominal and pelvic contents
5. Extremities and pelvic girdle
6. External

Chapters included in Head/Neck body region - AnswerHead, Neck, C-spine, other
trauma (asphyxia)

Chapters included in Face body region - AnswerFace

Chapters included in Chest body region - AnswerThorax, Thoracic Spine, Other
Truma (drowning)

Chapters included in Abdomen and Pelvic Contents body region - AnswerAbdomen,
Lumbar Spine

Chapters included in Extremity and Pelvic Girdle body region - AnswerUpper
Extremity, Lower Extremity, Bones of the Pelvis

Chapters included in External body region - AnswerPenetrating injury sections, blunt
soft tissue injury sections, external/skin and thermal injuries, electrical injury,
hypothermia, whole body injury

Define: Injury - Answeranatomic lesion resulting from a transfer of energy
(mechanical, chemical, thermal)