Ultrasound Physics Flashcards

Decks in this Class (20):

• 1 Units And Measurements

  1 Units and Measurements

  Sample Cards:

  what are the typical dimensional units,

  true or false percent is not a unit,

  increase or decrease by a factor means
  8 Cards
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• 2 Sound

  2 Sound

  Sample Cards:

  what are acoustic propagation properties,

  what are biologic effects of sound,

  what is sound
  26 Cards
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• 3 Pulsed Sound

  3 Pulsed Sound

  Sample Cards:

  what is a pulse,

  what are the 2 components of pulsed ultr,

  what are the 5 parameters that describe
  37 Cards
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• 4 Intensity

  4 Intensity

  Sample Cards:

  what is intensity,

  do ultrasound beams have the same intens,

  what is the peak
  16 Cards
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• 5 Sound Media

  5 Sound + Media

  Sample Cards:

  what is attenuation,

  what occurs the further us travels,

  what is associated with less attenuation
  43 Cards
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• 6 Range Equation

  6 Range Equation

  Sample Cards:

  what is the go return time or time of fl,

  what is directly related since average s,

  what is the 13 microsecond rule
  5 Cards
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• 7 Transducers

  7 Transducers

  Sample Cards:

  what is a transducer,

  what is the piezoelectric effect,

  what are some piezoelectric materials
  17 Cards
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• 8 Sound Beams

  8 Sound Beams

  Sample Cards:

  what is the rule for beam width,

  describe the beam width as sound travels,

  what is the focus or focal point
  17 Cards
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• 9 Axial Lateral Resolution

  9 Axial + Lateral Resolution

  Sample Cards:

  what is resolution,

  what is axial resolution,

  what is larrd resolution
  20 Cards
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• 10 2 D Imaging

  10 2-D Imaging

  Sample Cards:

  what are b scans or b modes,

  what does a scanhead contain,

  what is steering in mechanical scanning
  41 Cards
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• 11 Contrast Spatial Temporal Resolution

  11 Contrast, Spatial + Temporal Resolution

  Sample Cards:

  what is contrast resolution,

  what is spatial resolution,

  what is real time imaging
  22 Cards
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• 12 Pulsed Echo Instrumentation

  12 Pulsed Echo Instrumentation

  Sample Cards:

  what is the information processed by the,

  describe the ultrasound system,

  list the six interconnected components o
  48 Cards
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• 13 Harmonics

  13 Harmonics

  Sample Cards:

  what is harmonic imaging,

  what are harmonics,

  what is the fundamental frequency
  10 Cards
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• 14 Displays

  14 Displays

  Sample Cards:

  what are characteristics of a bistable d,

  what are characteristics of a gray scale,

  what are the controls of the display
  23 Cards
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• 15 Image Processing Dynamic Range

  15 Image Processing + Dynamic Range

  Sample Cards:

  what is read magnification,

  what is write magnification,

  what is fill in interpolation
  19 Cards
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• 16 Hemodynamics

  16 Hemodynamics

  Sample Cards:

  what is flow,

  what is steady flow,

  what is pulsatile and phasic flow
  34 Cards
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• 17 Doppler

  17 Doppler

  Sample Cards:

  what is doppler shift or frequency,

  what is a positive change or shift,

  what is a negative change or shift
  58 Cards
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• 18 Image Characteristics Artifacts

  18 Image Characteristics + Artifacts

  Sample Cards:

  list image characteristics,

  what are ultrasound artifacts,

  what are causes of artifacts
  22 Cards
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• 19 Qa Clinical Environment

  19 QA + Clinical Environment

  Sample Cards:

  what is quality assurance,

  what are the requirements of qa,

  what are goals of qa
  5 Cards
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• 20 Bioeffects

  20 Bioeffects

  Sample Cards:

  what is a hydrophone,

  what is a calorimeter,

  what is a thermocouple
  30 Cards
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