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23 Cards in this Set
- Front
- Back
What is subluxation?
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PARTIAL loss of continuity
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What is disolcation?
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COMPLETE loss of continuity
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What are the ABCs?
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A - alignment
B - bone C - cartilage S - soft tissues |
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In children, ____________ are cartilaginous and can be mistaken for fracture lines.
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epiphyseal plates
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The displacement of fat pads surrounding soft tissue can indicate...
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inflammation or swelling of the soft tissue
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Radial head fractures usually present with an anterior fat pad within several hours after injury. This is called the ____________.
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sail sign
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Air under the skin appears as a ____________ on the radiograph.
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black lucency
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A sail sign may be the ONLY indication of an ________________________.
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undisplaced radial head fracture
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What shoulder xray views would you order for a non-traumatic shoulder?
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-AP internal rotation
-AP external rotation -Anterior oblique (AKA AP glenoid fossa/Grashey) |
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What shoulder xray views would you order for a traumatic shoulder?
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-AP neutral
-Transthoracic lateral -Axial |
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Shoulder dislocations involve what joint?
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glenohumeral joint
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What is the most common direction of a shoulder dislocation?
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anterior/inferior
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Name 6 secondary syndromes associated with shoulder dislocations.
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1. glenoid rim fx
2. labral tear 3. brachial plexus injury 4. ligament disruptions 5. vascular injury 6. tendon injury (rotator cuff) |
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The word "axial" is synonymous to the "____________"
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cross-section
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Gadolinium is a....
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contrast medium injected intravenously for MRIs
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What is the 3rd most common 1º malignant bone tumor?
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chondrosarcoma
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About 10% of all primary malignant bone tumors are _______________.
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chondrosarcoma
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Chondrosarcomas happen mainly to (males/females) and most commonly occur in what areas?
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males. pelvis (pubic rami), proximal humerus, neck of femur, ribs and sternum
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The coronal view divides the body into...
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anterior and posterior (belly and back)
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Imaging vs. Physical exam: physical exam is not sufficient to specifically diagnose a ____________. However, physical exam is superior to imaging when dealing with ___________.
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-bone fracture
-soft tissue (meniscal and ligamentous tears, cartilage damage) |
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Coronal MRI
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recognize deltoid, supraspinatus, trapezius, glenoid, subscapularis
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Axial MRI
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recognize right side
deltoid, infraspinatus, tendon for subscapularis, glenoid, caracoid process |
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AP external and internal rotation of shoulder
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recognize coracoid, glenoid, distal clavicle, acromioclavicular joint, acromion, humeral head, greater tuberosity, lesser tuberosity
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