Monitoring the baby during specialized procedures — ultrasound has been helpful in seeing and avoiding the baby during amniocentesis (sampling of the amniotic fluid with a needle for genetic testing). Years ago, doctors use to perform this procedure blindly; however, with the accompanying use of u...
There are many reasons to get an ultrasound. Perhaps you're pregnant, and your obstetrician wants you to have an ultrasound to check on the developing baby or determine the due date. Maybe you're having problems with blood circulation in a limb or your heart, and your do...
Focussed ultrasound treatment to tighten crepey neck skin High-intensity focussed ultrasound (HIFU)treatments—one brand of HIFU treatment is calledUltherapy—aim pulses of focussed ultrasound energy deep into the skin, to stimulate the growth of new collagen from well below the surface. ...
Diagnostic ultrasound (DUS) has been in use for over half a century in medicine with clear benefits. It has become an indispensable tool in obstetrics and gynecology due to its relatively low cost, immediate results availability, and perceived safety. Mo
Ultrasound System Challenges To fully understand the challenges in ultrasound and their impact on the front-end components, it is important to remember what this imaging modality is trying to achieve. First, it is supposed to give an accurate representation of the internal organs of a human body...
We can also use very high frequency sounds, known as ultrasound, for everything from cleaning false teeth to studying the development of a baby inside a mother's womb. We've even taught computers to listen to our spoken words and turn them into written language using voice recognition ...
While a normal pregnancy lasts about40 weeks, sometimes things happen a little differently. Preterm labor is defined as labor that begins early, when you’re between20 weeks pregnantand37 weeks pregnant. It’s important to understand that the term “labor” doesn’t mean you’re just having ...
An ultrasound for ectopic pregnancy is a noninvasive test that uses sound waves to create images of the inside of the uterus. The test is performed by a sonographer and may be done transvaginally or transabdominally. During the ultrasound, the doctor will look for the presence of a gestationa...
To understand how your ears hear sound, you first need to understand just what sound is. An object produces sound when it vibrates in matter. This could be a solid, such as earth; a liquid, such as water; or a gas, such as air. Most of the time, we hear sounds traveling through...
To understand the answers to these questions, it helps to have a basic definition of a magnet. Magnets are objects that produce magnetic fields and attract metals like iron, nickel and cobalt. The magnetic field's lines of force exit the magnet from its north pole and enter its south pole...