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Advanced Procedures

Procedures 2

QuestionAnswer
Oblique chest positions are done to determine what? the size and contours of the heart and great vessels. Also to see mediastinal structures.
RAO chest best shows which lung? left
How to evaluate a 45 degree RAO chest? Left lung (outer margin of the ribs to the vertebral column on the side farthest from the IR) should be 2 times the distance/size of the right/side closest to the IR.
Posterior oblique chests best visualize the side ___ to/from the IR. closest
PA axial scaphoid with ulnar deviation. CR angle? CR 10-15 degrees toward elbow, CR at scaphoid.
Modified stecher method is done how? Hand elevated with a 20 degree angle sponge, CR perp.
Carpal canal (tunnel) method is AKA what method? gaynor-hart
Carpal canal, patient and part position? CR? Hyperextend/dorsiflex wrist to a 90, and rotate internally about 10 degrees. (this prevents superimposition of pisiform and hamate) CR 25-30 to the long axis of the hand and center of palm.
Trauma axial laterals and lateromedial projections of elbow are AKA what method coyle method
Coyle method (trauma lateral elbows) What are the 2 images done for? Patient flexed degrees? Both have a CR angle of 45. 1 is for radial head, flexed at 90 CR is towards shoulder. 2 is for coronoid process, flexed at 80 CR is away from shoulder.
Coyle elbow. Image for radial head, what is the CR angle and elbow flexion degree? 45 degrees toward shoulder, flexed at 90. (image for coronoid is 45 AWAY from shoulder flexed at 80)
Tangential projection- intertubercular groove: shoulder. AKA? fisk modification
Erect fisk modification patient position? CR? leaning over table with elbow flexed and hand SUPINATED holding cassette. Patent leaning forward to place humerus 10-15 degrees from vertical. CR perp @ groove/humeral head.
Supine fisk modification patient position? CR? cassette placed on top of shoulder/against neck. CR 10-15 posterior from horizontal (toward armpit of patient..)
CR for AP AC joints? to midpoint between AC joints, 1 inch above jugular notch
How should weights be held for AC joints? No holding, should hang from wrists.
Sesamoids. Patient position? CR? patient is prone, dorsiflex foot so plantar surface is angled 15-20 from vertical, just toes on IR. CR perp to IR @ first MTP joint.
AP weight bearing foot. CR? 15 degrees posteriorly to base of metatarsals.
AP stress ankle. Why do this? Joint separation/ligament tear. RAD/physician will apply stress
What is the Taylor method? AP axial outlet projection
Outlet, AKA _____ method, is a bilateral view of the ____ and _____. Taylor, pubis and ischium
Taylor method, AKA _____, has what degree angle for men? for women? CR @? outlet. 20-35 cephalic for men, 30-45 for female. CR @ 1-2 inches distal to pubis. (so about 2 inches below ASIS..)
AP axial inlet pelvis. Clinical indications? posterior displacement or inward or outward rotation of anterior pelvis
CR angle for men on inlet pelvis? women? CR at? 40 caudal for all patients, midline point of ASIS.
What pelvis projection demonstrates the ring or inlet? inlet
How can you tell there is no rotation on an inlet pelvis? ischial spines are fully demonstrated and equal in size and shape.
Acetabulum posterior oblique pelvis, aka _____? judet method
SI joints AP, CR angle for men? for women? 30 for men 35 for female
SI joint AP CR at? 2 inches below ASIS
LPO and RPO SI joint, rotate body how far? CR? 25-35 degrees, side of interest up. CR 1 inch medial to ASIS
Posterior oblique pelvis/acetabulum (JUDET). (right side of interest) RPO (downside) best shows what? anterior rim and posterior (ilioischial) column and Iliac wing
Posterior oblique pelvis/acetabulum (JUDET). (right side of interest) LPO (upside) best shows what? Posterior rim, anterior (iliopubic) column, and obturator foramen.
For an oblique acetabulum, if rotated correctly, the obturator foramen is open on the ____ side and closed for the _____ side. open is up, closed is downside.
Oblique acetabulum, CR for downside? 2 inches distal and 2 inches medial to DOWNside ASIS. (upside is 2 inches distal to upside)
Oblique acetabulum, CR for upside? 2 inches distal to upside ASIS. (downside is 2 inches distal and 2 inches medial to downside)
Which oblique acetabulum would show the posterior rim? upside
AP Fuchs method, elevate chin to bring _____ near perp to IR. CR is parallel to ___. MML, MML.
PA Judd method, how is patient positioned? Chin resting on IR, MML perp to IR.
AP axial L5-S1 Lumbar spine CR angle is ___ for males and ___ for females. CR @? 30 males, 35 females. CR at ASIS
For an AP or PA scoliosis series, the lower margin of the IR should be where? 1-2 inches below iliac crest.
Erect lateral scoli, how to decide if its left or right lateral? Convex side of the curve against the IR
What is the Ferguson method for a scoli series done for? differentiating deforming (primary) curve from compensatory curve.
What is the ferguson method? 2 images for a scoli, one standard erect, and another with foot/hip on the convex side of curve elevated.
For second image of ferguson method, what side does the block go under? under foot of convex side. (example: right hip is lower, right side gets block)
Created by: Zoest35