Ultrasound is a non-invasive imaging technique that uses the differential reflectance of acoustic waves at ultrasonic frequencies to detect objects and measure distances. It is commonly used for ...

Learn all about the nature of sound and ultrasonics. How does ultrasound work? What can be discovered through the use of ultrasound imaging?

Traditionally, landmarks in the anatomy (anatomic landmarks) have been used to guide CFA access. More recently, ultrasound guidance has emerged as a possibly lower-risk and more effective option, ...