Intro to Diagnostic Imaging Flashcards
What are the properties of x-rays?
-penetrates most matter
-affects photographic film
-makes some chemicals emit light
-ionizes matter
What are the average doses of mrem received per image?
620 mrem/yr naturally
Radiolucency means ______ whereas radiopaque means _______
high radiographic density, low radiographic density
What are the photographic properties and geometric properties that a radiograph is evaluated on?
Photographic: density and contrast
Geometric: sharpness and distortion
Density refers to the amount of _____ on the film whereas contrast refers to the amount of ______ on a film
blackness, shades of gray
What are the ABCs of radiologic interpretation?
alignment, bone, cartilage space, soft tissue
What is the cardinal rule of radiography?
must have at least 2 views at 90 degrees to eachother
What are the standard cervical series?
APOM (anterior posterior open mouth)
APLC (anterior posterior lower cervical)
LCN (lateral cervical neutral)
What is this view
anterior posterior open mouth
what is this view
anterior posterior lower cervical
what is this view
lateral cervical neutral
what is this view
cervical oblique
What is this view
lateral cervical flexion
What is this view
lateral cervical extension
What is this view
swimmers view
What is this view
AP thoracic
What is this view
lateral thoracic
What is this view
PA chest
What is this view
lateral chest
What is this view
AP lumbar
what is this view
lateral lumbar
what is this view
lumbar oblique
What is this view
angulated lumbrosacral spot view
What is this view
AP pelvis
What is this view
AP hip
What is this view
frog leg hip
What is this view
AP knee
What is this view
lateral knee
What is this view
tunnel view
What is this view
tangential (sunrise) view
what is this view
AP ankle
what is this view
medial oblique ankle
what is this view
lateral ankle/mortise view
What is this view
AP foot
What is this view
medial oblique foot
what is this view
lateral foot
what are the views for the toes?
AP toes, Oblique toes, lateral toe
What is this view
internal rotation shoulder
what is this view
external shoulder rotation
what is this view
baby arm shoulder
What is this view
scapular Y view
what is this view
acromioclavicular stress view
what is this view
AP elbow
what is this view
medial oblique elbow
what is this view
lateral elbow
what is this view
tangential (Jones) view
what is this view
PA wrist
what is this view
medial oblique wrist
what is this view
lateral wrist
what is this view
scaphoid view
what is this view
PA hand
what is this view
palmar oblique hand
what is this view
lateral hand
what are the views for fingers and thumbs?
PA finger/thumb, oblique finger/thumb, lateral finger/thumb
Which of these is a bone window and which of these is a lung window?
Is this T1 weighted sagittal or T2 weighted sagittal?
T1 weighted - fat is brightest signal
Is this T1 weighted sagittal or T2 weighted sagittal?
T2 weighted - water is brightest signal
What is bone scanning/scintography useful for?
determining areas of metabolic activity - sensitive, nonspecific - injected with radioactive tracer
What does positron emission tomography (PET) scanning tell us?
areas of metabolic activity - injected with signal emitting tagged glucose
