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PowerMRI Resource Directory:<br> - UltraSound Physics -
 
Power in ultrasound describes the energy generated by a wave or in a signal per unit of time. The power is measured in watts (W) and is proportional to the square of the amplitude.
See also Spatial Average Intensity, Ultrasound Radiation Force and Time Average Intensity.
Radiology-tip.comEnergy
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• Related Searches:
    • Acoustic Power
    • Power Modulation
    • Power Doppler
    • Intensity
    • Impedance

 Further Reading:
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An Introduction to UltrasoundOpen this link in a new window
   by www.cis.rit.edu    
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Power MapMRI Resource Directory:<br> - Doppler UltraSound -
 
A power map shows the range of colors corresponding to the power of the Doppler signal in a power mode display.
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Power ModeInfoSheet: - Modes - 
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In power mode the amplitude (power) of color Doppler signals is displayed, regardless of the velocity. Power does not have negative values and is independent of sampling frequency. An aliasing artifact does not occur in power mode images. Caused by plotting the quantity enhanced by echo contrast agents in a power map, power mode is often used in contrast Doppler ultrasound examinations.
Also known as energy mode.
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Power DopplerInfoSheet: - Modes - 
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(PD) Power Doppler imaging (PDI) is a Doppler technique, sensitive to low blood flow, allowing a complete visualization of detailed vascular blood structure. This medical imaging method is useable for detecting microbubbles during myocardial contrast echocardiography.
See also Resistive Index.
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Acoustic PowerMRI Resource Directory:<br> - UltraSound Physics -
 
The acoustic power of sound and ultrasound is the energy delivered per unit of time. The power is measured in Watt (W) and is proportional to the square of the amplitude.
1 W = 1 joule/second.
See also Directivity Index, Spatial Average Intensity, and Source Level.
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 Further Reading:
  News & More:
Ultrasound in diagnostic and therapyOpen this link in a new window
   by www.anst.uu.se    
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Renal - UltraSound Reimbursement - Doppler UltraSound - Image Quality - Heart - Corporations
 
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