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What is the ultrasound principle in Doppler ultrasonography?
GaleEncyofMedicine
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.
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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 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 is the imaging study uses sound waves to detect blood flow in the carotid and intracranial arteries?
doppler ultrasound
What are normal results of a Doppler ultrasonography?
A Doppler ultrasonography test showing no restricted blood flow is a normal finding.
What does duplex ultrasonography study?
A duplex ultrasonography studies the circulation of blood through the arteries and veins. It combines the traditional ultrasound, which produce sound waves that bounce off blood vessels to create pictures and the doppler ultrasound, which records sound waves reflecting off moving objects such as the blood.
What is the preparation for Doppler ultrasonography?
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.
What exactly is a Doppler ultrasound?
A Doppler ultrasound is a test that allows your doctor evaluate blood flow through major arteries and veins using reflected sound waves. Different blood flow patterns emit different sounds that can be used to proved graphs and pictures of blood flow.
What has the author Asim Kurjak written?
Asim Kurjak is a renowned obstetrician and gynecologist. He has written numerous books and research articles on topics related to ultrasound in obstetrics and gynecology, fetal medicine, and reproductive medicine. Some of his notable books include "Donald School Textbook of Ultrasound in Obstetrics & Gynecology" and "3D/4D Ultrasound in Obstetrics, Gynecology and Infertility."
What precautions need to be taken when using transcranial Doppler ultrasonography?
Ultrasonography procedures are safe, noninvasive, and painless. No special precautions are necessary.
What can obstetrical ultrasound examinations detect?
Doppler ultrasonography can detect the direction, velocity, and turbulence of blood flow. It is frequently used to detect problems with heart valves or to measure blood flow through the arteries.
How will a Doppler ultrasound reduce the need for caesarean section?
The Doppler ultrasound can produce higher resolve quality in the ultrasound picture.This increase in quality can assure the physician if there is really a need to preform a caesarean section.
