Ultrasound
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| show | Lazaro Spallanzani
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| What year Lazaro Spallanzi document the waves from flying bats | show 🗑
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| He created an apparatus that produces sound waves of frequency of 40 Hz | show 🗑
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| show | 1880
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| They noted that electricity maybe created by Piezoelectric Effect | show 🗑
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| They discovered the inverse piezoelectric effect | show 🗑
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| show | Robert Hooke
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| show | Lewis Fry Richard Soon, 1913
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| They invented Sonar (sound navigation and ranging or sonic navigation and ranging) and in what year | show 🗑
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| He developed sonar | show 🗑
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| Type of ultrasound that is use for treatment | show 🗑
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| show | Donald Sproule-
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| He received a recognition for the Reflectoscope | show 🗑
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| He introduced hyperphonography | show 🗑
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| show | George Ludwick
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| show | Professor C. H. Hertz
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| show | VIDOSON
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| Who designed VIDOSON | show 🗑
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| A phased array system in 1983 | show 🗑
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| He incorporated US into OB/GYN in 1958 | show 🗑
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| They designed pulsed doppler US Tech in 1966 | show 🗑
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| show | 1970
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| show | Kazunori Baba
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| show | US
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| Travels in straight line through air or medium that can be heard | show 🗑
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| show | Sound waves
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| It is a local oscillation in a medium that transfers energy through medium | show 🗑
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| Height of the wave's crest which determines its loudness | show 🗑
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| A region in a sound wave where particles have been pushed together making the densest part of the wave | show 🗑
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| show | Frequency
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| The intensity of the pressure wave resulting in the level of intensity perceived by someone | show 🗑
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| Describes the perceived highness or lowness of a sound wave | show 🗑
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| show | Rarefaction
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| show | Wavelength
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| show | > 20 000 Hz (20 KHz)
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| Active elements found in US Transducers | show 🗑
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| show | Piezoelectric Effect
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| Piezein and piezo means what | show 🗑
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| Less resolution but deeper penetration | show 🗑
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| Short wavelength but greater resolution | show 🗑
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| show | 1-6 mHz
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| show | 7-18 mHz
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| show | TGC - Time Gain Compensation Amplifier
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| show | Attenuation
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| The results of sound wave interaction with tissues | show 🗑
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| Echoes are large, smooth surface and sound is reflected in a singular direction (Bones) | show 🗑
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| show | Diffuse Reflector
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| show | Scatter
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| show | Rayleigh Scattering
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| show | True
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| show | Gas or Solids
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| Why lungs can't be examined by US | show 🗑
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| show | False, not.
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| Attenuation is a combined effects of... | show 🗑
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| The higher the angle of incidence, the lesser sound scattering | show 🗑
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| show | True
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| show | True
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| show | Acoustic Impedance
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| Density and speed is directly proportional to acoustic impedance | show 🗑
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| Impedance is defined as | show 🗑
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| show | Z = Acoustic Impedance
P = Density of medium
V = Speed of sound
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| show | Bone - 4080 m/s
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| Found in the body where sound wave travels the slowest | show 🗑
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| show | Intensity Reflection Coefficient
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| show | TRUE
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| Reflection Fraction Formula | show 🗑
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| show | Echogenicity
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| Darker and less reflection | show 🗑
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| show | Hyperechoic - Bones, Cartilage
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| Total Black and no echoes | show 🗑
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| Equal | show 🗑
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| show | Pulser - Trasnducer - Receiver
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| It applies high amplitude voltage to energize crystals | show 🗑
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| Converts electrical energy to mechanical energy | show 🗑
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| show | Receiver
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| show | Linear
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| It increases field of view and is ideal for deeper structures | show 🗑
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| show | Transducer Probe, a central processing unit (CPU), a monitor, a keyboard with control knobs, disk storage devices, a printer and so on
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| show | Acoustic Coupling Agent
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| Not a good coupling agent because it evaporates rapidly | show 🗑
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| show | Oil
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| show | Water Soluble Gel
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| show | Transducer Probe
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| Piezoelectric effect is also known as | show 🗑
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| show | Footprint
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| Can be a notch, a dot or a light on the probe’s head and use for orientation | show 🗑
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| show | Linear Probe
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| Produces a fan like image and increase width in deeper penetration but poor near field resolution | show 🗑
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| show | Curvilinear
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| Has a small footprint with a Hz range of 5-12 MHz. Designed to fit in encocavitary spaces | show 🗑
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| show | Power/Output Control
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| show | Depth
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| Adjusts overall brightness | show 🗑
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| show | TGC
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| it is placed at the depth of interest | show 🗑
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| Allows image to be held frozen | show 🗑
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| Used for moving objects on monitor | show 🗑
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| Allows magnification | show 🗑
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| Mode of scanning or known as Brightness Mode and use to get back to grey scale imaging from color Doppler and/or Pulsed Wave Doppler | show 🗑
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| Displayed as Measure or Cal(Calculation) on the ultrasound console | show 🗑
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| show | A-mode or Amplifier Mode
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| show | B-mode
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| Appears in the lower half of the screen | show 🗑
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| Can be moved by operator and placed within a vessel as imaged by color doppler | show 🗑
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| Cursor line appears on the upper section of the image. Primarily to document motion | show 🗑
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| show | Blue Away Red Towards
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| show | Color Flow Doppler
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| Uses a color map to show distribution of power or amplitude | show 🗑
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| show | Color flow knob
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| show | Continuous wave doppler unit
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| show | Pulsed Wave Doppler
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| show | The Doppler Effect
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