Pregnancy Image Gallery Enedino Ortega, four months pregnant, lies on a bed as Zaditza Silveira uses an ultrasound machine to take images of her baby at the Birthing Center of South Florida. See more pregnancy pictures. Joe Raedle/Getty Images There are many reasons to g...
How Ultrasound Works Major Uses of Ultrasound Ultrasound has been used in a variety of clinical settings, including obstetrics and gynecology, cardiology and cancer detection. The main advantage of ultrasound is that certain structures can be observed without usingradiation. Ultrasound can also be...
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Summary This chapter outlines the basics of how ultrasound works, and introduces the construction of an image and some of the physical principles that govern the behaviour of sound in tissue. During an ultrasound examination, most of the diagnostic conclusions about normal and abnormal appearances ...
When an ultrasound wave (shown as a red arrow in image below) tries to pass from one substance to another substance with a different acoustic impedance, two things happen to it. Part of the ultrasound waves continues into the second substance, but becomes slightly bent away from their original...
【Generation of Ultrasound Waves】 To use ultrasound to find things, we first need to have a way of generating them. We need something to create vibrations that will travel in the tissues in a patient. There is a special material called a 'piezo electric crystal'. This material has a very...
When an ultrasound wave (shown as a red arrow in image below) tries to pass from one substance to another substance with a different acoustic impedance, two things happen to it. Part of the ultrasound waves continues into the second substance, but becomes slightly bent away from their original...
How Brain Mapping Works How CAT Scans Work How Deep Brain Stimulation Works How Ultrasound Works How Nuclear Medicine Works How X-rays Work More Great Links The Basics of MRI MRI Tutor Simply Physics National High Magnetic Field Laboratory Sources Share: Citation More Awesome Stuff Physical Sc...
It gives us pleasure, it gives us pain and it gives us life. But how much do you know about how sex works? National Geographic takes a fascinating look at one of the world's most popular pastimes. Through gripping real-life stories, new technology and cutting edge computer graphics we ex...
Almost everyone can hear sounds, so a "sound radar" would definitely disturb the neighbors (you can eliminate most of this problem by usingultrasoundinstead of audible sound). Because the echo of the sound would be very faint, it's likely that it would be hard to detect. ...