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What is the preparation for Doppler ultrasonography?
GaleEncyofMedicine
There is no special preparation needed for this test. The ultrasound technician may apply a clear gel to the skin in order to help the transducer more freely over the body.
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What do color enhancements in Doppler ultrasounds signify?
Color enhancement is particularly useful in Doppler imaging, where shades of red signify flow away from the transducer and shades of blue signify flow toward it.
How do they track tornadoes?
Tornadoes are tracked using Doppler radar and reports from storm spotters and other eyewitnesses.
What was the preparation process of a wife for a king or Pharaoh in ancient Egypt?
Check the related link for an example of the preparation process of a wife for a Pharaoh in Egypt.
What is a word that describes military and civilian preparation for war?
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What is transcranial Doppler ultrasonography?
Transcranial Doppler ultrasonography is a noninvasive method of analyzing blood flow in the brain.
What is the purpose of transcranial Doppler ultrasonography?
Doppler ultrasonography uses what is called the Doppler effect to measure the rate and direction of blood flow in the vessels.
What are normal results of a Doppler ultrasonography?
A Doppler ultrasonography test showing no restricted blood flow is a normal finding.
What precautions need to be taken when using transcranial Doppler ultrasonography?
Ultrasonography procedures are safe, noninvasive, and painless. No special precautions are necessary.
How should patients be prepared for a transcranial Doppler ultrasonography?
No special preparation is needed. The patient should remove contact lenses, and may wish to avoid the use of eye makeup, since the gel is likely to smear it.
What is the dropple principle in Doppler ultrasonography?
The Doppler principle is simply that sound pitch increases as the source moves toward the listener and decreases as it moves away.
What care should a patient receive after a transcranial Doppler ultrasonography?
The gel is washed off with soap and water. No other after care is needed.
What is Doppler ultrasonography?
direct measurement of blood flow and rates of flow, sometimes performed in conjunction with stress testing (exercise between tests).
What is the imaging study uses sound waves to detect blood flow in the carotid and intracranial arteries?
doppler ultrasound
How is deep vein thrombosis detected?
Deep vein thrombosis can be detected through venography and radionuclide venography, Doppler ultrasonography, and impedance plethysmography.
What is the ultrasound principle in Doppler ultrasonography?
The ultrasound principle is this: when a high-frequency sound is produced and aimed at a target, it will be reflected by its target and the reflected sound can be detected back at its origin.
Why is Doppler Ultrasonography widely used?
The test is widely used because it is noninvasive, uses no x rays, and gives excellent images. It is harmless, painless, and widely available.
