It is a special technique in which the final image is produced by making use of ultrasound waves which are catalyzed by the doppler effect. Reflected sound waves are used in a doppler ultrasound to see how blood flows through a blood vessel and helps doctors evaluate blood flow in the major arteries and veins such as those of arms, legs and neck.
Here are some of the various uses of doppler ultrasound.
- To detect clots and blocked blood vessels in any part of the body, especially in the neck. The blocked or reduced flow in the major arteries of the neck can cause a stroke.
- To find out the amount of blood flow to a transported kidney or liver.
- To diagnose deep vein thrombosis (blood clots in leg veins) which can cause pulmonary embolism (blocked blood flow to the lungs).
- To check the health of the fetus by examining the blood flow in an unborn baby.
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