How Ultrasound Works | 合法醫療器材資訊網

Ultrasoundhasbeenapopularmedicalimagingtechniqueformanyyears....seeingtheinsideofthehearttoidentifyabnormalstructuresorfunctions ...

How Ultrasound Works

by Craig C. Freudenrich, Ph.D.[1]

http://electronics.howstuffworks.com/ultrasound.htm[2]

There are many situations in which ultrasound is performed. Perhaps you are pregnant, and your obstetrician wants you to have an ultrasound to check on the developing baby or determine the due date. Maybe you are having problems with blood[3] circulation in a limb or your heart[4], and your doctor has requested a Doppler ultrasound to look at the blood flow. Ultrasound has been a popular medical imaging technique for many years.

Photo courtesy Philips Research Ultrasound examination during pregnancy

In this edition of How Stuff Works[5], we will look at...

Ultrasound (Sonography) | 合法醫療器材資訊網

Ultrasound | 合法醫療器材資訊網

Functional ultrasound combines information such as the movement and velocity of tissue or blood, softness or hardness of tissue, and other physical ... Read More

Ultrasound scans | 合法醫療器材資訊網

Ultrasound scans are used to evaluate fetal development, and they can detect problems in the liver, heart, kidney, or abdomen. They may also assist in performing ... Read More

Ultrasound | 合法醫療器材資訊網

Ultrasound is sound waves with frequencies higher than the upper audible limit of human ... The role of arctiid moth clicks in defense against echolocating bats: interference with temporal processing. In Thomas J, Moss CF, Vater M (eds.). Read More

Functional ultrasound imaging | 合法醫療器材資訊網

Functional ultrasound imaging (fUS) is a medical ultrasound imaging technique of detecting or measuring changes in neural activities or metabolism, ... Read More

Ultrasound: Purpose, Procedure | 合法醫療器材資訊網

Ultrasound images are captured in real time. They're able to show the structure and movement of internal organs as well as blood flowing through blood vessels. Read More

How Ultrasound Works | 合法醫療器材資訊網

Ultrasound has been a popular medical imaging technique for many years. ... seeing the inside of the heart to identify abnormal structures or functions ... Read More

How Functional Ultrasound Works | 合法醫療器材資訊網

2018年2月9日 — Functional ultrasound shows color image maps that can indicate the softness or hardness of specific tissues, movement and velocity of tissue or ... Read More

Ultrasound | 合法醫療器材資訊網

2020年3月17日 — Diagnostic ultrasound, also called sonography or diagnostic medical sonography, is an imaging method that uses high-frequency sound waves ... Read More

Application of Ultrasound in Medicine | 合法醫療器材資訊網

由 A Carovac 著作 · 2011 · 被引用 167 次 — The technique is based on principle of functioning sonar (“Sonar Navigation and Ranging”). A sound wave is typically produced by a piezoelectric transducer ... Read More

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