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Advanced Procedures
Procedures 2
| Question | Answer |
|---|---|
| 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
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