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OS 204 > Radiology And Endoscopy > Flashcards

Radiology And Endoscopy Flashcards

0
Q

View taken when patient’s chin is lifted, causing sphenoid to be displaced inferiorly

A

Caldwell’s view

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1
Q

Structures which overlap in skull ap view

A

Wings of sphenoid and orbit

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2
Q

Case when caldwell’s view should never be used

A

When patient has cervical injury

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3
Q

Recommended imaging for trauma cases in orbit

A

Caldwell view

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4
Q

Recommended imaging for blow out fracture in floor of orbit

A

Ct scan

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5
Q

Recommended imaging for suspected soft tissue damage in head and neck

A

Mri

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6
Q

Imaging where contrast material is injected through the lacrimal canaliculi to view lacrimal ducts

A

Dacryocystogram

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7
Q

Common manifestation of abnormalities in CT scan image

A

Assymmetry of left and right

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8
Q

Recommended imaging technique for paranasal sinuses

A

Ct scan

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9
Q

Number of xray views required for paranasal sinus series

A

3

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10
Q

Best xray view for orbit, frontal, and ethmoid sinus

A

Caldwell view

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11
Q

Best view for sphenoid and frontal sinus

A

Lateral

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12
Q

Xray view where all four sinuses are clearly seen by hyperextension of neck

A

Water’s view

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13
Q

Xray view which can diagnose acute sinusitis

A

Water’s view

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14
Q

Best ct scan view for oaranasal sinuses

A

Coronal view

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15
Q

How do you test for sinusitis vs rhinitis in a patient with colds or high amount of mucous

A

Bend head down between knees. Sinusitis if painful, rhinitis if not painful

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16
Q

Structure which looks like a 36B sized breast in a CT scan

A

Nasopharynx

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17
Q

Most common facial fracture

A

Nasal bone fracture

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18
Q

Used to fix clean nasal fractures

A

Nasal speculum

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19
Q

Used to fix severe fractures

A

Rhinoplasty

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20
Q

Why can you not operate on nasal fractures immediately?

A

You need to wait for swelling to subside to see patients normal appearance

21
Q

Imaging technique recommended for nasal fracture

A

Ct scan, only when everything is swollen and painful to palpate. Waters if patient cannot afford. Otherwise, no image needed.

22
Q

Number of views needed to xray mastoid

A

2

23
Q

Xray view where patient lies down with neck flexed so that occiput is lying flat on xray plate

A

Towne’s view

24
Q

Side xray view of mastoid air cells

A

Schuller’s view

25
Q

Why do schuller when you can just do ct scan?

A

Soft tissues not visible in ct due to windowi g

26
Q

Oblique view of mastoid air cells

A

Meyer’s view

27
Q

Most useful mastoid xray view

A

Towne’s

28
Q

Recommended imaging for inner ear

A

Ct scan

29
Q

Recommended imaging for middle and outer ear

A

Otoscope

30
Q

Condition when soft tissue is found in mastoid air cells

A

Mastoiditis

31
Q

Xray view to image mandible

A

Basal view

32
Q

In lateral view of temporomandibular joint, when the mouth is open, where is the condyle with respect to the mandibular fossa

A

Anterior

33
Q

Why is mri not advisable in viewing TMJ ligaments?

A

Brain is more visible than condyle

34
Q

Neck xray view for soft tissues of nexk

A

STL view

35
Q

Neck xray view best for bone

A

Lateral

36
Q

Neck xray view best for patients who swallowed foreign objects

A

STL

37
Q

Imaging method most used for the thyroid gland

A

Ultrasound

38
Q

X ray image used for blood vessels

A

Angiogram or arteriogram

39
Q

What does patient drink before undergoing thyroid scan

A

Radioactive iodine

40
Q

Manifestation of abnormal thyroid gland in thyroid scan

A

Uneven blackness of image due to uneven affinity for uodine

41
Q

Xray image for salivary glands, where contrast material is injected before imaging

A

Sialogram

42
Q

Recommended imaging for salivary glands

A

Ct scan

43
Q

Formation of stones or crystals in salivary gland or salivary duct

A

Sialothiasis

44
Q

X ray view for teeth

A

Panoramic x ray

45
Q

X ray view for viewing the sides of the teeth

A

Bite wing

46
Q

Examination of the larynx and vocal cords using a scope

A

Laryngoscopy

47
Q

Laryngoscopy done using head mirrors and handheld mirrors

A

Indirect laryngoscopy

48
Q

Laryngoscopy which uses a scope inserted in the nasal cavity

A

Direct flexible nasolaryngoscopy

49
Q

Laryngoscopy where instrument is placed at the back of the throat performed usually under general anaesthesia

A

Direct laryngoscopy (flexible or stiff)

50
Q

Anaesthetic and lubricant used in flexibke laryngoscopy

A

Lidocaine gel

51
Q

Used to record actual vocal fold motion

A

Stroboscopy or videostroboscopy

OS 204 (9 decks)

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