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8 Cards in this Set
- Front
- Back
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Radiodensity relative to composition of material and thickness is referred to as what?
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grey scale
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Density or opacity simply refers to the what of a film?
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whiteness
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Lucency refers to the what of a film?
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blackness
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Order the 5 basic landmarks of the shades of gray in order from dark to light.
water, bone, metal, air, fat |
dark to light:
air - fat - water - bone - metal |
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What is pulmonary infiltrate?
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water density where there should be air
1. alveolar = in air space 2. interstial = in connective tissue |
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If you are trying to rule out PE, what diagnostic imaging can you use as an alternative to CT angiography?
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V/Q scan, if pt is allergic to contrast dye
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What is the best imaging modality for MSK pathologies?
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MRI
best for internal derangement |
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What are some disadvantages of MRI?
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internal metals
patient motion time for exam pt size claustrophobia |
