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alleviative    
a. 减轻的
n. 缓和剂

减轻的缓和剂

alleviative
adj 1: moderating pain or sorrow by making it easier to bear
[synonym: {alleviative}, {alleviatory}, {lenitive},
{mitigative}, {mitigatory}, {palliative}]

Alleviative \Al*le"vi*a*tive\, a.
Tending to alleviate. -- n. That which alleviates.
[1913 Webster]


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  • Doppler ultrasound | Heart and Stroke Foundation
    Similar to an echocardiogram, a Doppler ultrasound (or Doppler echocardiography) is a test in which very high frequency sound waves are bounced off your heart and blood vessels
  • Doppler echocardiography - Wikipedia
    An echocardiogram uses high frequency sound waves to create an image of the heart while the use of Doppler technology allows determination of the speed and direction of blood flow by utilizing the Doppler effect
  • What Is an Echo Doppler Test? How It Works What to Expect
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  • Doppler Ultrasound: What Is It, Purpose and Procedure Details
    A Doppler ultrasound is a safe, painless way for healthcare providers to assess the health of blood vessels and check for cardiovascular problems A Doppler ultrasound provides important information about blood flow through your circulatory system
  • Echo basics: Key concepts • LITFL • Radiology Library
    In this article, you’ll learn how echocardiography operates, including key concepts such as frequency, wavelength, and amplitude of ultrasound waves You’ll also learn about 2D imaging, M-mode, pulsed wave Doppler, continuous wave Doppler, and tissue Doppler imaging
  • Doppler ultrasound: What is it used for? - Mayo Clinic
    Doppler ultrasound is a noninvasive test that can be used to measure the blood flow through your blood vessels It works by bouncing high-frequency sound waves off red blood cells that are circulating in the bloodstream
  • Echocardiogram with Doppler: Non-Invasive Heart Test Explained
    What is an Echocardiogram with Doppler Imaging? An echocardiogram with Doppler imaging is a specialized ultrasound test that provides a comprehensive view of the heart’s anatomy and blood flow It uses high-frequency sound waves to produce images of the heart’s chambers, walls, and valves
  • Doppler effect and Doppler echocardiography – The Cardiovascular
    On the echocardiogram, the Doppler signal is presented with a colored band or area (Figure 7) The colored area contains all the velocities recorded in a selected area during a specific phase of the cardiac cycle
  • Doppler effect and Doppler echocardiography - Cardiovascular Medicine
    On the echocardiogram, the Doppler signal is presented with a colored band or area (Figure 7) The colored area contains all the velocities recorded in a selected area during a specific phase of the cardiac cycle





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