Orthopaedic Technologist Certification
Exam: Casting & Splinting ACCURATE
100%
Bi-valving - ANSWER Involves cutting the cast as for removal, and slightly separating
edges with a cast splitter. Used when causing discomfort but NOT compromising NV
status.
Uni-valving - ANSWER Involves making a single cut in the cast. Used when causing
discomfort but NOT compromising NV status.
Valving should be used if..... - ANSWER ....surgery is in the near future.
....pt is uncomfortable, but NV status is intact.
Cast padding, AKA - ANSWER Webril
Plaster casts are made from.... - ANSWER ....rolls of dry muslin that have been coated
with CALCIUM SULFATE.
Temperature of H20 used: - ANSWER -Warmer increases the heat given off by plaster.
-Affects setting time
-Cold water takes longer to set
Setting - ANSWER Feels hard in 10-15mins.
Truly takes 24-48hrs.
Munster cast - ANSWER AKA supracondylar cast: Limits suppination and portion of arm
w/out completely prevention flx/ext of elbow. Applied in manner of long arm cast, but
cast is extended just above distal biceps. Once hardened, prox portion is trimmed
around elbow jt. Pt compliance is crucial, bc of amy of movement cast allows. Helps
prevent stiffness, but immob is still important.
Delbert cast - ANSWER Short leg cast. Prevents lateral movement, allows DF/PF.
Applied then trimmed away from anterior and posterior ankle and heel.
Dehne cast - ANSWER AKA three-finger spica cast: used to tx navicular fx's. Section
that covers the thumb, separate section enclosing index and middle fingers.
Gauntlet cast - ANSWER Fx's/dislocations of MC's and phalanges. Short cast that
extends from above the worst to cover part of the palm of the hand. Often has an
extension to control 1 or more of the digits.
Advantages of Fiberglass - ANSWER -Ligher
Exam: Casting & Splinting ACCURATE
100%
Bi-valving - ANSWER Involves cutting the cast as for removal, and slightly separating
edges with a cast splitter. Used when causing discomfort but NOT compromising NV
status.
Uni-valving - ANSWER Involves making a single cut in the cast. Used when causing
discomfort but NOT compromising NV status.
Valving should be used if..... - ANSWER ....surgery is in the near future.
....pt is uncomfortable, but NV status is intact.
Cast padding, AKA - ANSWER Webril
Plaster casts are made from.... - ANSWER ....rolls of dry muslin that have been coated
with CALCIUM SULFATE.
Temperature of H20 used: - ANSWER -Warmer increases the heat given off by plaster.
-Affects setting time
-Cold water takes longer to set
Setting - ANSWER Feels hard in 10-15mins.
Truly takes 24-48hrs.
Munster cast - ANSWER AKA supracondylar cast: Limits suppination and portion of arm
w/out completely prevention flx/ext of elbow. Applied in manner of long arm cast, but
cast is extended just above distal biceps. Once hardened, prox portion is trimmed
around elbow jt. Pt compliance is crucial, bc of amy of movement cast allows. Helps
prevent stiffness, but immob is still important.
Delbert cast - ANSWER Short leg cast. Prevents lateral movement, allows DF/PF.
Applied then trimmed away from anterior and posterior ankle and heel.
Dehne cast - ANSWER AKA three-finger spica cast: used to tx navicular fx's. Section
that covers the thumb, separate section enclosing index and middle fingers.
Gauntlet cast - ANSWER Fx's/dislocations of MC's and phalanges. Short cast that
extends from above the worst to cover part of the palm of the hand. Often has an
extension to control 1 or more of the digits.
Advantages of Fiberglass - ANSWER -Ligher
