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Question | Answer |
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in the lateral projection of the scapula, describe the bertebral and axillary borders | superimposed |
in the lateral projection of the scapula, describe the acromion and the coracoid processes | should be readily identified separately, not superimposed |
which projection requires that the shoulder be placed in external rotation? | AP humerus |
how to position to demo the intercondyloid fossa? | * PA, knee flexed 40 degrees, CR 40 deg to pop fossa * AP, cassette under flexed knee, CR cephalad to knee, perp to tibia |
to better demo the carpal scaphoid | * elevate hand and wrist 20d * place wrist in ulnar deviation |
which position is most likely to demo the carpal pisiform free of superimposition | AP medial rotation |
which direction is the table angled for cervical visualization during a myelogram? | Trendelenburg |
which direction is the table angles for thoracic and lumar regions during a myelogram | Fowler's |
why should the pt's neck be kept in acute extension for a myelogram? | to compress the cisterna magna and keep contrast media from traveling into the ventricles of the brain |
for a PA chest, how many ribs, and anterior or posterior should be visualized? | 10 posterior ribs above the diaphragm |
best position to demo the longitudinal arch of the foor | later weight-bearing |
which shoulder position demo the greater tubercle in profile? | external rotation |
which shoulder position demo the lesser tubercle in profile? | internal rotation |
in which position are the humeral epicondyles perp to the IR | internal rotation |
in which position are the humeral epicondyles parallel to the IR | external rotation |
prone positioning for an IV urogram allows demonstration of the | * filling of the ureters * the renal pelvis |
internal or external rotation for lateral humerus? | internal rotation |
which position demo the coronoid process? | medial olique elbow |
double contrast bowel studies are particulary use ful for demonstrating what? | * the bowel wall, and anything projecting into it * |
a single contrast study will | obliterate mucosal conditions, but demo projections from outpuchings of the intestinal wall |
T/F: the following may all be used to evaluate the glenohumeral joint: scap Y inferosuperior axial transthoracic | True |
how to position for the sigmoid in the AP position | 30-40d cephalad |
the AP obl (medial rotation) of the elbow demo what? | olecranon process within the olecranon fossa coronoid process free of superimposition |
what view superimposes the radial head and neck on the proximal ulna? | AP oblique medial rotation elbow |
what view projects the radial head free of superimposition? | AP oblique lateral rotation |
which view of the foot demo the talocalcaneal joint? | plantodorsal projection of the os calcis |
what is another name for the subtalar joint? | talocalcaneal |
the following are true of lower extremity venography | pt examined in semi erect position contrast injected in the foot |
cephalad | towards the head |
caudad | towards the feet |
what position of the abd would be used to demo a pneumoperitoneum | left lateral decubitus erect |
which view do we use to view layering of gall stones? | right lateral decubitus |
lateral skull: all the following are true?????? IOML parralel MSP perp CR enters 2' superior to EAM | NO NO NO IOML is parallel CR enters 2' sup to EAM MSP IS PARALLEL NOT PERP |
which of the following fat pads should be demo'd in a lateral elbow? posterior anterior supinator fat stripe | anterior supinator fat stripe the posterior is not visible radiographically in the normal elbow |
CR for lateral nasal bones | 3/4' distal to nasion |
why do we angle the CR5d cephalad on a lateral knee | to prevent superimposition of the medial femoral condyle |
where is CR for AP knee | at the knee joint, located 1./' distal to the patellar apex |
what is a Hill-Sachs defect? | a compression fx of the posterolateral humeral head, usually associated with anterior dislocation of the shoulder joint |
what is a rotator cuff tear? | injury to one or more of the muscles participating in the formation of that muscluar sctucture |
what muscles make up the rotator cuff | SITS supraspinatus infraspinatus subscapularis teres minor |
what is adhesive capsulitis | frozen shoulder |
why do we do an arthrography? | to eval the rotator cuff the glenoid labrum (a ring of fibrocart around foss) frozen shoulder |