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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 precautions need to be taken when using transcranial Doppler ultrasonography?
Ultrasonography procedures are safe, noninvasive, and painless. No special precautions are necessary.
What is transcranial Doppler ultrasonography?
Transcranial Doppler ultrasonography is a non-invasive diagnostic procedure that uses sound waves to measure blood flow velocity in the arteries of the brain. It is commonly used to assess conditions such as stroke, vasospasm after subarachnoid hemorrhage, and intracranial stenosis. The test provides valuable information about blood flow patterns, helping in the diagnosis and management of various neurological disorders.
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.
What are normal results of a Doppler ultrasonography?
Normal results of a Doppler ultrasonography - also known as a vascular ultrasound - show normal blood flow with no restrictions, blockages, or abnormal flow patterns in the arteries and veins being examined. The report would typically mention the presence of good blood flow velocity and consistency throughout the vessel.
What is the dropple principle in Doppler ultrasonography?
The Doppler principle in Doppler ultrasonography refers to the change in frequency of a sound wave reflected off a moving object. This principle is used to measure blood flow velocity in vessels by detecting the change in frequency of the ultrasound waves reflected by red blood cells. This information helps in assessing blood flow direction and speed within the body.
What has the author Walter J Duncan written?
Walter J. Duncan has written: 'Color Doppler in clinical cardiology' -- subject(s): Color Doppler ultrasonography, Diagnosis, Diseases, Doppler echocardiography, Echocardiography, Heart, Heart Diseases, Methods 'Atlas of pediatric two-dimensional echocardiography' -- subject(s): Atlases, Congenital heart disease in children, Pediatric cardiology, Two-dimensional echocardiography
Is a noninvasive diagnostic method that uses ultrasonographic images to detect the presence of heart disease or valvular disease?
Yes. Color Doppler Ultrasonography gives accurate description of presence of heart disease or valvular heart disease.
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 has the author Asim Kurjak written?
Asim Kurjak has written: 'A Slide Atlas of Three-Dimensional Ultrasound in Gynecology and Obstetrics' 'An Atlas of Transvaginal Color Doppler' 'Textbook of Perinatal Medicine' 'Transvaginal color doppler' -- subject- s -: Color Doppler ultrasonography, Diagnosis, Female Genital Diseases, Methods, Prenatal diagnosis, Transvaginal ultrasonography, Ultrasonic Diagnosis 'Color Doppler Sonography in Gynecology and Obstetrics' 'Donald School Textbook of Ultrasound in Obstetrics & Gynecology' 'Ecografia En Medicina Materno-Fetal' 'An Atlas of Ultrasonography in Obstetrics and Gynecology - Encyclopedia of Visual Medicine Series -' 'A Slide Atlas of Ultrasound in Obstetrics - The Encyclopedia of Visual Medicine Series Slides Sets -' 'Atlas of fetal anomalies' -- subject- s -: Atlases, Fetus, Fetal Diseases, Congenital Abnormalities, Diagnosis, Abnormalities, Ultrasonography, Methods, Prenatal Ultrasonography, Ultrasonic imaging
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 imaging study uses sound waves to detect blood flow in the carotid and intracranial arteries?
doppler ultrasound
