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Positioning CAMRT Reviewer > Positioning > Flashcards

Positioning Flashcards

1
Q

How much should the femur be abducted for the Lauenstein method for hip?

A

40-45 degrees (with knee flexed 90 degress)

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2
Q

Where is the CR placed for unilateral frog leg projection

A

mid femoral neck

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3
Q

The Judet Method demostrates the

A

Acetabulum

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4
Q

Lateral of the hip is also called

A

Frog or Modified Cleaves or Lauenstein Method

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5
Q

How much should the femur be abducted for the Cleaves Method for the hip?

A

40-45 degrees

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6
Q

A male pelvis has a ________ angle while female pelvis has a _________

A

Male - Less than 90 degrees acute

Female - greater than 90 degrees obtuse

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7
Q

Trauma Hip most often used is called

A

Danellius - Miller or Cross- table lateral or Axiolateral (inferosuperior)

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8
Q

The AP Axial outlet projection for the pelvic ring requires the CR angle to be

A

20 - 35 degrees females

30 - 45 degrees males

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9
Q

The modified axiolateral trauma hip when both hips can’t be moved is called

A

Clements - Nakayama Method

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10
Q

Center of AP Hip (with hardware)

A

1-2” distal to neck of femur (all hardware must be demonstrated)

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11
Q

Three differences in a female and male pelvis are

A

Males have narrower, deeper and less flared

Angle of the pubic arch is less than 90 degrees

Shape of the inlet is more narrower and more oval or heart shape

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12
Q

The AP Inlet Projection for the pelvic ring requires the CR angle to be

A

40 degrees caudad

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13
Q

If the femoral neck is foreshortened and the lesser trochanter in profile medially on the radiograph. What is probable cause for positioning

A

External rotation of the leg and foot

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14
Q

What pathology is best demonstrated with the Judet Method

A

acetabular fractures

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15
Q

The ankle joint is formed by what 3 bones

A

Tibia, fibula, talus

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16
Q

The mortise position demonstrates the joint and should have even space over entire _____

A

Talar surface

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17
Q

When taking patient history for the hip xray, it is important to ask about the prosthesis or any hip surgery for what two reasons

A

So you can position patient without injuring the site

To make sure you center lower to include all the hardware

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18
Q

A 15 degrees internal rotation of the ankle in AP oblique projection is called the

A

Mortise Projection

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19
Q

What is the difference between the AP Mortise and AP oblique ankle projections for positioning?

A

AP Mortise - 15-20 degrees internal rotation

AP Oblique - 45 degrees internal rotation

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20
Q

Which malleolus is longer and is extension of the fibula

A

Lateral Malleolus

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21
Q

What are inversion/eversion of the ankle for?

A

Stress views that are used to demonstrate ligament damage

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22
Q

Positioning for the AP Mortise with how many degrees medial rotation

A

15-20 degrees medial rotation, centered to ankle (demonstrates ankle mortise)

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23
Q

The ankle is what type of joint, with what type of movement?

A

Synovial Joint, sellar or saddle type, movement is flexion, extension

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24
Q

How many tarsals are there?

A

Seven

Calcaneus, Cuboid, Talus, Navicular, and the medial, middle and lateral cuneiforms.

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25
Q

Where can you find sesamoid bones in the foot?

A

Embedded in tendons, near joints, plantar surface

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26
Q

Special projection for the foot to show longitudinal arches?

A

AP and Lateral weight-bearing, CR 15 degrees posterior to base of metatarsal

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27
Q

Does Lisfranc joint injury of the foot, requires a decrease or increase in technique?

A

Increase to penetrate tarsal region

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28
Q

What is the common trauma site for the foot that provide attachment of a tendon, and what is the projection for this

A

Tuberosity of the 5th metatarsal

Oblique Medial of the foot

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29
Q

Longest and strongest bone

A

Femur

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30
Q

Name three knee positions that are tunnel projections

A

Beclere, Camp-Coventry, Homblad

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31
Q

Name two tangential knee projections

A

Merchant, Sunrise

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32
Q

Difference between medial and lateral epicondyle of the knee is the presence of

A

Adductor tubercle on the posterior side of the medial condylethat receives the tendon of the adductor muscle

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33
Q

What do all tunnel view demostrate

A

Intercondylar Fossa

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34
Q

How do you position patient in Camp Coventry Method

A

Patient supine, flex knee 40-50 degrees, CR to knee joint or popliteal depression, perpendicular ti tib/fib, 40 SID

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35
Q

The Settegast Method is also called inferosuperior projection requires the knne flexed _____ degrees and the CR angle _____ to the lower legs

A

40-45 degrees, 10-15 degrees

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36
Q

The medial and lateral condyles of the femur articulate with

A

The tibia

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37
Q

Why must the CR angle for a lateral knee be 5-7 degrees cephalad

A

The medial femoral condyle extends lower than the lateral femoral condyle when the femoral shaft is vertical

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38
Q

What is the largest joint space of the human body

A

Cavity of the knee joint

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39
Q

Beclere Method (AP Axial) for tunnel knee requires ______ degree knee flexion, CR angle of ______ degrees and CR centered ______

A

40-45 degrees knee flexion
40-45 degrees cephalad
CR 1/2 inch distal to apex of patella

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40
Q

Holmblad Method (PA Axial) for tunnel knee requires _____ degree knee flexion, CR angle of ______ degrees.

A

60-70 degree knee flexion

CR perpendicular to IR (no angulation)

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41
Q

The term engorgement literally means

A

Distended or swollen with fluid

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42
Q

___________ is an excess of blood partially resulting to from a relaxation of the distal small blood vessels or arterioles.

A

Hyperemia

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43
Q

An _______ position in general tends to minimize the engorgement and hyperemia of pulmonary vessels, whereas ________ position will increase this, w/c can change the radiographic appearance of these vessel and the lungs in general.

A

Erect

Supine

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44
Q

Chest radiographs if taken AP instead of PA at 72 inches will cause

A

Increased magnification of the heart shadow

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45
Q

On a true PA chest, what is the evident that there is no rotation

A

Both the right and left sternal ends of the clavicles will be the same distance from the center of the spine

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46
Q

The seperation of the posterior ribs resulting from divergence of the xray beam at the commonly used 72inches (180cm) SID should only be _______, anymore seperation than this indicates rotation of the thorax from a true lateral position.

A

1/4 to 1/2 inches or about 1cm.

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47
Q

What is the evidence that a lateral chest have excessive rotation

A

Amount of separation of the right and left posterior ribs

Separation of two costiphrenic angles

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48
Q

Vertebra prominens corresponds to the level of ______ and the uppermost margin of the apex of the lungs.

A

T1

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49
Q

The CR for PA chest is at the

A

Level of T7 (midthorax)
Also near at the level of inferior angle of scapula on average px
3-4 inches below the jugular notch

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50
Q

____________ is an irreversible dilation or widening of the bronchi or bronchioles resulting from repeated pulmonary infection or obstruction.

A

Bronchiectasis

Increase exposure factor

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51
Q

___________ is a form of persistent obstruction of airway caused bu either emphysema or chronic bronchitis.

A

COPD (Chronic Obstructive Pulmonary Disease)

Decrease exposure factor

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52
Q

___________ irreversible and chronic lung dissease, in which alveoli air spaces become greatly enlarged as a result of alveolar wall destruction and loss of alveolar elasticity.

A

Emphysema

Decrease exposure factor depend on severity

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53
Q

________ shortness of breath which creates a sensation of difficulty in breathing, most common in older persons.

A

Dyspnea

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54
Q

For possible fluid in pleural cavity (pleural effusion), the suspected side should be ______.

A

Down

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55
Q

For possible small amounts of air in pleural cavity, the affected side should be ______.

A

UP

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56
Q

A ________ beam must be used to show air-fluid level or pneumothorax.

A

Horizontal beam

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57
Q

If patient is weak and unstable and/or not able to assume yhe lordotic position, an ___________ projection may be taken with the patient erect or supine position with back against table or IR.

A

AP Semi-Axial Projection

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58
Q

The central ray for AP Semi-Axial Projection is ________ degrees cephalad to the mid sternum

A

15-20

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59
Q

For anterior oblique of the chest, the side of interest is generally the side ________ from the IR. Thus the RAO will best visualize the ______ lung.

A

Farthest

Left Lung

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60
Q

Certain positions for studies of the heart require an LAO with an increase in rotation to ______ degrees.

A

60

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61
Q

Less rotation _______ degrees may be of value for better visualization of the various areas of the lungs for possible pulmonary disease.

A

15-20

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62
Q

Posterior obliques of the chest best visualize the side _______ to the IR.

A

Closest

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63
Q

Soft tissue lateral is frequently taken to rule out ________, which may be life threatening for a young child.

A

Epiglottitis

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64
Q

If the area of interest is primarily the larynx and upper trachea, the IR and CR should be

A

Laryngeal Prominence (C5)

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65
Q

If the are of interest is the distal larynx and upper and mid trachea, the IR and CR should be

A

At the upper jugular notch (T1)

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66
Q

Respiration for upper airway is during a _____________ to ensure filling trachea and upper airway with air.

A

Slow, deep inspiration

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67
Q

Vertebra prominence is at level of

A

C7

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68
Q

Xiphoid tip is at level of

A

Level of T9-T10

69
Q

Inferior costal rib margin

A

Level of L2-L3

70
Q

__________ a chronic inflammation of the intestinal wall that can result in bowel obstruction (most common in young adults, from unknown cause)

A

Crohn’s Disease

71
Q

Patient should be on side for a minimum of ______ minutes before exposure( to allow air to rise or abnormal fluids to accumulate, ______ minutes is preferred, if possible to beat demonstrate potential small amounts of intraperitoneal air.

A

5 minutes

10-20 minutes

72
Q

_________________best visualizes free intraperitoneal air in the area of liver in the right upper abdomen away from the gastric bubble.

A

Left Lateral Decubitus

73
Q

_____________ replaces erect position of the abdomen, if the patient is too ill to stand

A

Left Lateral decubitus

74
Q

Open ups and best demonstrates the carpals on the opposite side (radial side) of the wrist, namely scaphoid, trapezium and trapezoid.

A

Ulnar Deviation (Special Scaphoid Projection)

75
Q

Opens and best demonstrates the carpals on the ulnar side of the wrist, namely hamate, pisiform, triquetrum and lunate.

A

Radial Deviation

76
Q

On AP Projection of the elbow, _________ rotation separate the radius and ulna and ________ rotaion superimposes.

A

Lateral Rotation

Medial Rotation

77
Q

Fracture and dislocation of the posterior lip of the radius involving the wrist joint.

A

Barton’s Fracture

78
Q

Fracture of the base of the first metacarpal bone, extenting into the CMJ, complicated by subluxation with some posterior displacement.

A

Bennett’s Fracture

79
Q

A transverse fracture extending through the metacarpal neck; most commonly seen in the fifth metacarpal

A

Boxer’s Fracture

80
Q

A transverse fracture of the distal radius with the distal fragment being displaced posteriorly; an associated ulnar styloid fracture seen in 50-60% of cases.

A

Colles’ Fracture

81
Q

Reverse of Colle’s fracture, or a transverse fracture of the distal radius with the distal fragment displaced anteriorly

A

Smith’s Fracture

82
Q

Demostrates fractures and/or dislocation of the first carpometacarpal joint. Base of 1st metacarpal is demonstrated for ruling out Bennett’s Fracture

A

AP Projection (Modified Robert’s Method) Thumb

83
Q

For Modified Roberts Method, CR directed _____________(toward wrist), entering the first CM joint

A

15 degrees proximally

84
Q

This position is performed commonly to evaluate for early evidence of rheumatoid arthritis at the 2nd through 5th proximal phalanges.

A

Norgaard Method or Ball-Cather’s Position

85
Q

For Pa Scaphoid, angle CR ____________, along long axis of forearm and toward elbow, Center CR to _________.

A

10-15 degrees proximally

Scaphoid

86
Q

Modified Stecher Method of the wrist indicates that elevation of the hand ______ degrees rather than angling the CR places the scaphoid parallel to IR.

A

20 degrees

87
Q

This projection is performed most commonly to rule out abnormal calcification and bony changes in the carpal sulcus that may create impingement on the median nerve, as with carpal tunnel syndrome.

A

Gaynor-Hart Method

88
Q

For Gaynor-Hart Method angle CR ____________ to the long axis of the hand.

A

25-30 degrees

89
Q

When elbow cannot be fully extended, obtain two AP Projections, one with _________ parallel to IR, one with __________ parallel to IR.

A

Forearm

Humerus

90
Q

Of patient cannot partially extend elbow and elbow remains flexed near 90 degrees, take the two AP Projections as described but angle CR to _________ into elbow joint or if flexed more than 90degrees, take the ________ position.

A

10-15 degrees

Jones Position

91
Q

_____________ rotation of the elbow best visualizes radial head, neck and capitulum of humerus.

A

External Oblique

92
Q

____________ rotaion of the elbow best visualizes coronoid process of ulna and trochlea in profile.

A

Internal Oblique

93
Q

For Jones Method, acute flexion, there are two projections required to visualize both the distal humerus and proximal radius and ulna. What are these?

A

CR perpendicular to humerus

CR angled so that it is perpendicular to the forearm

94
Q

Best demonstrate fracture of the elbow, particularly the radial head and coronoid process. Effective projections when patient cannot extend elbow fully for medial or lateral obliques of the elbow.

A

Coyle Method (Trauma Axial Lateral)

95
Q

In AP Projection of the humerus, what is the evidence that it’s in True AP projection.

A

Greater tubercle is seen in profile laterally
Humeral head is partially seen in profile medially with minimal superimposition of the glenoid cavity
Lateral and Medial epicondyles are both visualized in profile

96
Q

___________ is a fracture of the anterior glenoid rim

A

Bankart Lesion

97
Q

Is a compression fracture of the articular surface of the humeral head often associated with an anterior dislocation of the humeral head.

A

Hill-Sachs Defect

98
Q

Is a traumatic injury to one or more muscles, teres minor, supraspinous, infraspinous and subspularis. It limits the range of motion to the shoulder.

A

Rotator Cuff Tear

99
Q

Full external rotation of the shoulder is evidenced by the ______________ visualize in full profile on the lateral aspect of the proximal humerus.

A

Greater Tubercle

100
Q

What projection in which px abduct arm 90 degrees from body, palm up in external rotation, CR medially 25-30 degrees, centered horizontally to axilla and humeral head.

A

Lawrence Method (Inferosuperior Axial Projection)

101
Q

The external oblique position of the elbow, require how many rotation of the arm

A

40-45 degrees

102
Q

What is the angle of the tube in the carpal canal projection?

A

20-25 degrees

103
Q

On a true AP Projection of the proximal humerus, note that the lesser tubercle is located ___________ and the greater tubercle is located _____________.

A

Anteriorly

Laterally

104
Q

AP shoulder in external position places the _________ in a true AP or frontal projection.

A

Humerus

105
Q

Scapulohumeral (glenohumeral) jt is what kind of movement, which allows greater freedom of movement.

A

Spheroidal or ball and socket joint

106
Q

Sternoclavicular joint is what kind of movent? Acromioclavicular joint?

A

Plane or gliding

107
Q

The internal rotation of the shoulder places the humerus in what position?

A

Lateral position

108
Q

The neutral AP projection of the shoulder places the epocondyles of the distal humerus at an approximate how many degrees to the IR.

A

45 degrees to the IR, and results in 45degrees oblique position of the humerus when palm of the hand facing inward against the thigh.

109
Q

Is commonly used to image soft-tissue parhologies such as rotator cuff tears associated with shoulder girdle.

A

Arthrography

110
Q

A projection wherein the patient is in prone position, elbow flexed and forearm hanging down, CR directed 25degrees anterior and 25 degrees medially passing theoigh midscapulohumeral joint. Performed for specific pathology such as Hill-Sachs defects and Bankart Lesions.

A

West Point Method

Inferosuperior Axial Projection

111
Q

In Grashey method, how many degrees body rotation and what should be seen in profile in this projection.

A

35-45 degrees body rotation

Glenoid Cavity

112
Q

Demonstrate pathologies of the intertubercular groove, such as bony projection of the humeral tubercles.

A

Fisk Method, Tangential Projection: Intertubercular (Bicipital) Groove

113
Q

Patient standing, leaning over end of table with elbow flexed and posterior surface of forearm resting on table, hand supinated holding casette, head turned away from affected side, is what position?

A

Fisk Method

114
Q

In Fisk Method, a correct CR angle of 10-15 degrees to the long axis of humerus will demostrate ____________ and __________ in profile without superimposition of acromion process.

A

Intertubercular groove and Tubercles

115
Q

What breathing technique is preferred in Transthoracic (Lawrence Method) if patient can cooperate, and this will best visualize the proximal humerus by blurring out ribs and lung structures.

A

Breathe slow, shallow breaths

116
Q

If patient is in too much pain to drop injured shoulder and elevate uninjured arm and shoulder high enough to prevent superimposition of shoulders, angle CR __________.

A

CR 10-15 degrees cephalad

117
Q

This projection specifically demostrates the coracoacromial arch for possible outlet region for possible shoulder impingement. CR 10-15 degrees caudal angle

A

Neer Method

Tangential Projection-Supraspinatus Outlet

118
Q

Patient erect or supine, rotate body 45 degrees toward affected side, posterior surface against IR, flexed elbow and placed arm across chest. CR 45 degrees caudad centered to SHJ.

A

Garth Method, AP Apical Oblique Axial Projection

119
Q

Patient should not be asked to hold on to the weights with their hands, rather the weights should be attached to the _______ so that the hands, arms and shoulders are relaxed to determine possible AC joint separation.

A

Wrists

120
Q

Patient reach across front of chest and grasp opposite shoulder, this demonstrates

A

Body of scapula

121
Q

Px drop affected arm, flex elbow and place arm behind lower back with arm partially abducted, or just let arm hang down at patients side, this demonstrates

A

Acromion and coracoid process

122
Q

Is an inflammation of the bone and cartilage involving the anterior proximal tibia and is most common in boys ages 10-15.

A

Osgood Schlatter Disease

123
Q

Also called osteochondroma, is a benign, neoplastic bone lesion caused by consolidated overproduction of bone at a joint (usually knee).

A

Exostosis

124
Q

The external oblique position of the elbow, require how many rotation of the arm

A

40-45 degrees

125
Q

What is the angle of the tube in the carpal canal projection?

A

20-25 degrees

126
Q

For AP Mortise Projection, how many degrees internal rotation should be done?

A

15 to 20 degrees

127
Q

Demonstrate pathology involving ankle joint separation due to ligament tear or rupture

A

AP stress projection of the ankle: inversion and eversion positions

128
Q

What is the position for Camp Coventry Method?

A

Patient in prone position, knee flexed 40-50 degrees (provide support)

129
Q

What is the position for Homblad Method?

A

Patient in kneeling position, ask patient to lean forward 20-30 degrees and hold that position, results in 60-70 degrees knee flexion

130
Q

Pleural effusion, Tech must increase

A

MAS by 35%

131
Q

Trochlea articulates with the

A

Ulna

132
Q

Capitulum articulates with the

A

Radius

133
Q

Cartilaginous joints are called:

A

Amphiarthroses

134
Q

synarthroses are

A

fibrous joints

135
Q

diarthroses are

A

synovial joints

136
Q

The bulge at the upper end of the stomach is called the:

A

Fundus

137
Q

For the right PA oblique projection (RAO) for the sternum, the body should be rotated how many degrees?

A

15-20 degrees

138
Q

A skull that is short from front to back and broad from side to side would be described as:

A

Brachycephalic

139
Q

Cavity within a bone is described as a:

A

Sinus

140
Q

fossa is a

A

pit and a groove

141
Q

sulcus is a

A

Furrow

142
Q

The carpometacarpal joint of the thumb has what type of movement?

A

Saddle

  • A saddle joint permits flexion, extension, adduction, and abduction and has opposing surfaces that are concavoconvex, such as the carpometacarpal joint of the thumb.
143
Q

For an axial projection of the calcaneus, the central ray enters at the:

A

Base of the third metatarsal, 40 degrees cephalic

144
Q

For the lateral projection of the chest, the central ray is directed:

A

2 inches anterior to the midaxillary plane at the level

145
Q

The portion of the small bowel in which the greatest amount absorption takes place.

A

Jejunum

146
Q

A large rounded projection is called a:

A

Tuberosity

147
Q

The serous membrane surrounding the visceral and parietal layers of each lung is called the:

A

Pleura

148
Q

For the AP oblique projection (LPO and RPO) for the colon, the patient is rotated how many degrees from the supine position?

A

35-45

149
Q

Directing the central ray 5 to 7 degrees cephalic is done for what projection?

A

AP Knee

150
Q

The pelvocalyceal system will visualize approximately how many minutes after injection?

A

2-8 mins

151
Q

For a lateral L5 -S1 projection of the lumbar spine, the central ray is directed:

A

Perpendicular to L5 at a point 1.5 inches anterior to the palpated spinous process of L5 and 1.5 inches inferior to the iliac crest

152
Q

This bone is located in the wrist on the medial side of the proximal row:

A

Pisiform

153
Q

For the lateral projection for the sinuses, the central ray enters:

A

0.5 to 1.0 inch posterior to the outer canthus

154
Q

For an AP projection of the thoracic spine, the central ray is directed:

A

3 to 4 inches distal to the jugular

155
Q

Which of the following is (are) located just below the head of the humerus?

A

Greater and lesser tubercles

156
Q

This bone is located beneath the talus:

A

Calcaneus

157
Q

The inner part of the kidney is called the:

A

Medulla

158
Q

The cardiac portion is where the:

A

Esophagus enter the stomach

159
Q

For what projection does the OML form and angle of 37 degrees with the cassette?

A

Parietoacanthial (Waters) for sinuses

160
Q

Which of the following bones has a coronoid process?

A

Mandible

161
Q

Which of the following bones has (have) costal facets?

A

Thoracic Vertebra

162
Q

The patient’s body is rotated 30 degrees for what projection?

A

RPO and LPO of kidneys

163
Q

The functional part of the kidney is called the:

A

Nephron

164
Q

For a lateral projection of the ankle, the central ray is directed perpendicular to the:

A

Medial Malleolus

165
Q

This bone is located in the wrist on the lateral side of the proximal row:

A

Scaphoid

166
Q

The wrist and ankle have what type of movement?

A

Gliding

167
Q

The elbow has what type of movement?

A

Hinge

  • The elbow permits motion in only one plane; therefore, it functions as a hinge.
168
Q

To demonstrate foramen rotundum in the PA Axial projection, it is necessary to:

A

Direct the CR at 25 to 30 degrees caudad

169
Q

In the Supero-inferior (axial) of the shoulder,when the patient can’t abduct his arm due to trauma, the part below will not appear…

A

Glenoid cavity

Positioning CAMRT Reviewer (3 decks)

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