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Rad Quality > Lower Extremities > Flashcards

Lower Extremities Flashcards

1
Q

SID for lower extremities

A

40”

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2
Q

When do you use the bucky?

A

parts measuring more than 11 cm to absorb scatter

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3
Q

true AP position for femur, knee, leg, ankle

A

knee flexed
foot dorsi-flexed (90 degrees)
leg internally rotated 5 degrees (second toe pointed up)

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4
Q

Why do you rotate legs 15 degrees internally on pelvis and AP hip?

A

prevents femoral neck forshortening (or elongates femoral neck)
places greater trochanter in profile

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5
Q

anatomy viewed on AP pelvis

A

iliac crest, sacroiliac joint, acetabulum, femoral head, GREATER TROCHANTER, femoral neck, symphysis pubis, obturator foramen, superior pubic ramus, coccyx, sacrum, L5

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6
Q

Hip series

A

AP hip
Frogleg Lateral Hip
(this is a unilateral exam)

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7
Q

anatomy viewed on AP hip

A

GREATER TRACHANTER, iliac crest, acetabulum, femoral head and neck, ischial tubeosity, syphyasis pubis, sacrum, obturator foramen

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8
Q

anatomy viewed on frogleg lateral hip

A

LESSER TROCHANTER, crest, femoral head, greater trochanter

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9
Q

what must you include on the femur series?

A

the knee

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10
Q

knee series

A

AP knee
Lateral
Holmblad (open joint)

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11
Q

anatomy viewed on AP knee

A

patella, femur, condyles, epicondyles, tibial plateaus, tibia, fiblua

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12
Q

tube tilt for AP knee

A

5 degree cephalic

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13
Q

tube tilt for lateral knee

A

5 degree cephalic

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14
Q

Why must knee be flexed on lateral knee?

A

opens femoral patellar joint space and stabilizes patient in lateral position

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15
Q

anatomy viewed on lateral knee

A

femur, femoropatellar space, patella,condyles (superimposed), fibula

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16
Q

PT position on Holmblad

A

PT in prone position, gently raise to hands and knees just enough so affected knee forms a 20 degree angle with CR.

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17
Q

CR position on Holmblad

A

2” above crease of knee

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18
Q

anatomy viewed on Holmblad

A 
FEMORAL NOTCH (aka intercondylar notch or popliteal fossa)
TIBIAL SPINES (aka tibial prominence or immenence)
19
Q

what is a modified Beclere?

A

Patient seated on table with knees bent in front of them. the cassette is place on sponges under the knee as close to curve as possible. 20 degree tube tilt

20
Q

What is camp coventry view?

A

Patient lays face down (prone) with knee bent. Cassette under PT knee. 45 degree tube tilt

21
Q

lower leg series

A

AP leg
lateral leg
(must include joint closest to injury)

22
Q

anatomy viewed on AP leg

A

fibula, tibia, distal tibiofibular joint, tibiotalar joint

23
Q

anatomy viewed on lateral leg

A

tibia, fibula, talus, tibiotalar joint, navicular, calcaneus

24
Q

ankle series

A

AP ankle and Oblique ankle (on film together)

Lateral ankle

25
Q

anatomy viewed on AP ankle

A

tibia and fibula (superimposed), medial and lateral malleolus, styloid process, tibiotalar joint

26
Q

how do you know if internal oblique is rotated enough?

A

inter-malleolar plane is parallel with film

27
Q

what does the internal oblique ankle show?

A

MORTISE JOINT, tibia ad fibula

28
Q

PT position for Lateral ankle

A

roll PT onto affected side, flex knee andfoot

29
Q

anatomy viewed on Lateral ankle

A

BASE OF 5TH METATARSAL, tibia, fibula, navicular, tibiotalar joint, talus, calcaneus, cuboid

30
Q

foot series

A

AP foot and medial oblique foot (2 on film)

lateral foot

31
Q

tube tilt for AP foot

A

10 degree cephalic (10 toes) (10x12)

32
Q

where does CR enter for AP foot?

A

base of 3rd metatarsal

33
Q

Where does the ID blocker go for AP foot?

A

away from toes

34
Q

tube tilt for medial oblique foot?

A

10 degree cephalic

35
Q

anatomy viewed on medial oblique foot?

A

IP joints, BASE OF 5TH METATARSAL, cuboid, calcaneus, medial cuneiform, sesamoids

36
Q

foot placement for medial oblique foot

A

place 2 fingers between the cassette and the plantar surface of the foot.

37
Q

position for lateral foot

A

place foot in lateral position, flex knee, plantar surface perpendicular to IR

38
Q

accessory views to Holmblad (notch views)

A

Modified Beclere, Camp Coventry

39
Q

Accessory views to tangential patella

A

settegast (unilateral)

merchant’s (bilateral)

40
Q

What is tangential patella view?

A

PT prone, bend knee as much as possible, tangential CR tilt

41
Q

Patella views

A

PA patella

Lateral and accessory

42
Q

condition created when patellar ligaments pull the tibial tuberosity free from the tibial shaft

A

osgood-schlatters

43
Q

articular facets located on the superior aspect of the tibia that articulate with the femoral condyles

A

tibial plateaus

Rad Quality (6 decks)

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