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CAISS CERTIFICATION STUDY GUIDE
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- CAISS CERTIFICATION STUDY GUIDE
CAISS CERTIFICATION STUDY GUIDE
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CAISS CERTIFICATION STUDY GUIDEOrigins of AIS (3) - -1) Standardized system
2) Classify type/severity of injury from MVC
3) Consensus
-Injury descriptors are organized _________________________ ? - -Anatomically
-Injury severity is ranked relative to its importance to _______________? - -The
whole body
-AIS reflects severity of single injuries and are unaffected by what three
things? - -1) time
2) sequela
3) outcome
-What type of scale does AIS use? - -6 point ordinal scale
-Which type of measurement is more variable? Anatomic or Physiologic? - -
Physiologic
-Is clinical training necessary for collecting injury data? - -NO
-AIS is based on what three (3) factors? - -1) anatomically- based
2) consensus driven
3) global
-Severity is NOT contingent upon what two (2) factors? - -1) Outcome
2) time
-Numerical ranking of severity: 1 - -minor
-Numerical ranking of severity: 2 - -moderate
-Numerical ranking of severity: 3 - -serious
-Numerical ranking of severity: 4 - -severe
-Numerical ranking of severity: 5 - -critical
-Numerical ranking of severity: 6 - -maximum (currently untreatable)
-Is mortality a sole determinant of AIS severity? - -NO
-Are all AIS data comparable from year to year? - -NO (updates)
,-Is "DEATH" part of the severity scale? - -NO
-Is a patient who dies automatically assigned the highest AIS severity of 6? -
-NO (patients w/ minor injuries can die)
-Does a linear relationship exist between AIS severity codes? - -NO (AIS 4 is
more, NOT twice as severe as AIS 2)
-Are all injuries within the same AIS code strictly compatible? - -NO (tibia fx
& alveolar ridge are both AIS - 2, although one may be worse than the other,
both are considered 'moderate')
-What AIS code is assigned to a patient with inadequate information
regarding an injury? - -9
-How many chapters are in the AIS dictionary? - -9 (not the same as body
regions)
-AIS single digit severity codes are based on what type of patient? - -
Average
-What four (4) things define the "average" patient? - -1) 25-40 yrs old
2) no pre-existing conditions
3) no tx complications
4) received timely/appropriate care
-Approximately how many injury descriptors are included in AIS? - -2000
-What part of the AIS code is considered the "Pre-Dot Code?" - -6 digits
BEFORE the decimal point (left)
-What part of the AIS code is considered the "AIS Severity Number?" - -
single digit after the decimal (right)
-(T/F) The 6 digit pre-dot codes are unique and allow for more specificity and
accurate coding? - -TRUE
-The first digit in the pre-dot code corresponds to what? - -Body Region
-The second digit in the pre-dot code corresponds to what? - -Type of
anatomic structure (skeletal, solid organ)
-The third/fourth digits in the pre-dot code correspond to what? - -Specific
anatomic structure (femur)
, -The fifth/sixth digits in the pre-dot code correspond to what? - -Level of
injury within the specific body region and anatomic structure (NFS, minor,
major)
-Parenthesis in the AIS dictionary indicate what? - -synonyms or definitions
for injury types
-Brackets in the AIS dictionary indicate what? - -inclusionary/exclusionary
info, OIS Grades
-Boxed bold type in the AIS dictionary indicates what? - -directives to assist
coder in appropriate use of specific description
-Semicolons in the AIS dictionary indicate what? - -separate injury
descriptors that are comparable in severity
-Italics in the AIS dictionary indicate what? - -proper-named
injuries/structures, OIS grades
-Does AIS assess the severity of multiple injuries? - -NO (single injury
severity only)
-The injury Severity Score (ISS) is defined as what? - -Sum of the squares of
highest AIS in each of 3 most severely injured ISS body regions.
-What are the six body regions used in the ISS? - -1) head & neck
2) face
3) chest
4) abdomen & pelvic organs
5) extremities & pelvic girdle
6) external
-Asphyxia is assigned to which ISS body region? - -HEAD & neck
-Thoracic spine injuries are assigned to which ISS body region? - -Chest
-Drowning is assigned to which ISS body region? - -Chest
-Lumbar spine lesions would be assigned to which ISS region? - -Abdomen &
pelvic contents
-Are external injuries coded independent of their body region? - -YES
-Hypothermia, electrical injuries, and whole body injuries are coded to which
ISS region? - -External
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