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Q4 Clin Lab II thyroid, rheum, coag, LFT, body fluids > Exam 2 Radiology > Flashcards

Exam 2 Radiology Flashcards

1
Q

X-Ray views:

PA

AP

Lateral

Oblique

Decubitus

A

PA = post to anterior (shot from back)

AP = ant to post (shot from front)

Lateral = side through sagittal plane

Oblique = angled

Decubitus = pt on side

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2
Q

Abdominal X-Ray terminology? (3)

A

KUB (kidney, ureters, bladder)
Flat plate
2-way (AP supine and upright)

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3
Q

X-Ray colors meaning:

Black?

Dk gray?

Gray?

Lt gray?

White?

Bright white?

A

(High penetration beam/Low radiodensity object)

Black = Air

Dk gray = Fat

Gray = Water, Soft tissue

Lt gray = Bone, Overlap shadow

White = Contrast, Dense bone

Bright white = Metal

(Low penetration/High radiodensity)

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4
Q

Which view of heart is most accurate?

A

PA view

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5
Q

Steps in reading films:
I Quit And Wanna Be Free

+ 3 add’l steps

A 
Identify pt
Quality of film
Air (organs w/ air and free air)
Water/fluid density (soft tissue)
Bone
Funny things

Compare to old films
Look for symmetry L v R
Look at location of concern LAST

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6
Q

The border of materials of same density appears how on X-Ray?

A

No/fuzzy border seen (silhouette sign)

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7
Q

Heart mm next to pleural effusion appears how?

A

Loss of heart border and diaphragm shadow

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8
Q

Mediastinum appearance on Normal Supine AP CXR?

A

Wider than on N Erect PA CXR

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9
Q

COPD present on XRay as?

A

Hyperlucency (darker)

Flat diaph

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10
Q

Pneumothorax present on XRay as?

A

Hyperlucency w/ absent vascular markings

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11
Q

What additional kind of CXR needed for Pneumothorax?

A

Expiratory
Compare to regular film ->
Vol of thorax is same, lung vol shrinks

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12
Q

Pneumomediastinum is?

A

Air in mediastinum

Can leak into neck

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13
Q

SQ Emphysema is?

Presents on XRay?

Presentation on exam?

A

Air leak from lungs into SQ tissue

Dark lines following mm and tissue planes

Crackle/velcro sounds
Palpable crackles under skin (bubble-wrap)

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14
Q

Pleural effusion presents on XRay?

A

Blunting of costophrenic angle (early sign)

Concave density of CPA, Visible lung fissures (later)

Lat decub CXR shows fluid “layerd-out” along chest wall

Meniscus sign (crescent-shaped air pocket surrounded by consolidated lung tissue)

Tracheal/Heart shift

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15
Q

Infiltrate is?

A

Crap in lung tissue, not the pleural space

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16
Q

Effusion is?

A

Fluid in pleural space, not in the lung tissue

17
Q

HF effects on lungs?

A

1) Redistrib blood to up lobes (cephalization)
2) Interstitial edema (Kerley B lines)
3) Fluid in alveoli

18
Q

Interstitial edema presents on XRay?

A

Blurred edges of bv

“Kerley-B lines”

19
Q

Fluid in alveoli presents on XRay?

A

Hazy perihilar infiltrates in butterfly pattern

20
Q

Air Bronchograms (Air-filled bronchi) seen?

Not seen?

A

In lung infiltrates

In effusion and pulmonary edema when airways always contain fluid

21
Q

Signs of CHF on film?

A

Kerley B
Peribronchial cuffing
Fluid-filled fissures

22
Q

Atelectasis is?

Presents on film?

A

Loss of some or all vol of lung

Shift of interlobar fissures
↑ lung density
Shift of trachea, heart, diaph
Overinflation of unaffected ipsilat lobe or contrlat lung
U no air bronchs
23
Q

TB presents on film?

A

Up lobe infiltrate

Hilar adenopathy

24
Q

Adenopathy present on film?

A

Round masses

25
Q

Pulmonary metastases present on film?

A

Mass w/ smooth, round borders

26
Q

Meniscus Sign is seen w/?

A

Pleural effusion

27
Q

Sarcoidosis presentation on film?

A

Bilat hilar adenopathy
Paratracheal adenopathy
Bilat interstitial reticulo-nodular pattern

28
Q

PE presents on film?

A 
Non-specific
↑ hemidiaph
Subsegmental atelectasis
Patchy infiltrates
**U CXR is normal
29
Q

Anterior mediastinal mass types?

A

Thymoma

Substernal thyroid

30
Q

Middle mediastinal mass types?

A

Lymphoma

31
Q

Posterior mediastinal mass types?

A

Neurofibroma/blastoma

32
Q

Heart should be what size on film?

A

half the width of whole chest or less

33
Q

RVH presents on film?

A

↓ retrosternal air space

34
Q

LVH presents on film?

A

More prominent L lat heart border on PA

More post position of lower heart border on lat view

35
Q

RAE presents on film?

A

More prominent R heart border

36
Q

LAE presents on film?

A

More prominent L up heart border
Double density along R heart border
Wider trach bifurcations

37
Q

Fractured ribs 1-3 U =?

A

severe injury

38
Q

Bony lesions on ribs U due to?

A

metastatic tumors

Q4 Clin Lab II thyroid, rheum, coag, LFT, body fluids (14 decks)

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