Using The Pulse Echo Principle ( Venables 2011a )

A sound wave is a disturbance that repeats regularly in space and time and that transmits energy from one place to another with no transfer of matter. In Activity 2 on page 8 we had to model sound waves using an instrument. In our class we used a flute as the example and when the person blew into it, sound waves were produced. As they blew and changed the volume and pitch the sound waves changed. A sound wave is created when something vibrates. When something vibrates, longitudinal waves are created which we can hear. A longitudinal wave is a wave that transfers energy through compressions and rarefactions in the material that the wave travels which are all parts of a sound wave. In Activity 2 it states in some parts of the wave, the air molecules

A shadow picture is constructed from different echoes being reflected from a variety of tissues (Radiological Society of North America). Ultrasounds can come in many forms. Traditional images are displayed in thin, flat sections of the body. However, advancement in technology now includes 3-D and 4-D ultrasounds as well as many other specific types (Radiological Society of North America).

* Ultrasound. An ultrasound uses high-frequency sound waves to generate images of your internal organs, such as your kidneys and bladder, on a computer screen.

Ultrasound imaging has many uses in medicine, from confirming and dating a pregnancy to diagnosing certain conditions and guiding doctors through precise medical procedures

Another form of imaging is ultrasound. Ultrasound, which uses very high frequency sound, is directed into the body. And because the tissue interference's reflect sound, doctors are able to produce, by use of a computer, a photograph or moving image on a television. Ultrasound has many application uses on the body, but is more commonly used in examinations of the fetus during pregnancy, because use of radiation may affect the outcome of the baby. Some other practices for ultrasound include examination of the arteries, heart, pancreas, urinary system, ovaries, brain, and spinal cord. And because sound travels well through fluids it is a very useful technique for diagnosing cysts( which are filled with fluid), and fluid filled structures such as the bladder. And since sound is absorbed by air and bone it is impossible to use a ultrasound on bones or lungs.

Diagnostic medical sonography is a profession where sonographers direct high-frequency sound waves into a patient’s body through the use of specific equipment to diagnose or monitor a patient’s medical condition. As described by the Bureau of Labor Statistics, this examination is referred to as an ultrasound, sonogram, or echocardiogram. The high-frequency sound waves emitted from the handheld device, called a transducer, bounce back creating an echo and therefore produce an image that can be viewed on the sonographers computer screen. This image provides the sonographer and physician with an internal image of the patient’s body that will be used in the diagnosis. The most familiar use of ultrasound is used in monitoring pregnancies

Sonography is non-invasive. A sonographer uses equipment that directs high-frequency sound waves to body organs and tissue to generate medical diagnostic images. It does not use radiation and is expected to grow in a professional manor and as a tool used by physicians. This is also a way for many individuals to use non-invasive technology to help assist in diagnostics.

2D Ultrasound Images: Also known as sonography, ultrasounds work by using sound waves to develop an image of what's inside the body—in this case, a baby! When you think of a stereotypical pregnancy ultrasound, this is probably what comes to mind. The 2D ultrasound technique has been used for years and provides a two-dimensional,

Diagnostic medical sonography is a profession where sonographers direct high-frequency sound waves into a patient’s body through use of specific equipment to diagnose or monitor a patient’s medical condition. As described by the Bureau of Labor Statistics, this examination is referred to as an ultrasound, sonogram, or echocardiogram. The high-frequency sound waves emitted from the handheld device, called a transducer, bounce back creating an echo and therefore produce an image that can be viewed on the sonographers computer screen. This image provides the sonographer and physician with an internal image of the patient’s body that will be used in diagnosis. The most familiar use of ultrasound is used in monitoring pregnancies, and is

Sonography utilizes sound waves to generate an image that can be analyzed to determine or rule out a diagnosis. Ultrasound or ultrasonography is a medical imaging technique that uses high frequency sound waves. It is a high pitch frequency that cannot be heard by the human ear. A diagnostic medical sonographer works directly with patients in a dimly lit room with imaging machines. The sonographer gets the medical history of the patient and prepares the patient for an ultrasound examination. The sonographer explains the noninvasive procedure and answers any question the patient might have. The sonographer positions the patient and covers the patient only exposing the area needed for the procedure. The sonographer

The Fostech Echo is an outstand improvement on the trigger. This trigger system can be easily installed and immediately increases the level of firepower. It’s an AR trigger that once needed a different bolt system to operate, but now for the same price a generation two can be purchased. This system has three positions; safety, single shot and echo mode. The echo mode fires a cartridge when pulled and released.

Gill, R., 2012. The physics and technology of diagnostic ultrasound: a practitioner's guide. Abbotsford, N.S.W.: High Frequency Publishing.

The four pieces of Echo may appear to be immensely unalike on the surface. The narrative that describes a woman, who is looking for her place in the world, may seem absent of what is truly essential in life. The poem and visual art selections may be interpreted as detached with merely similarities in the topics they cover. Although when analyzed as a whole, the four pieces combined present profound thematic messages that prove the power language has in our world. While each demonstrates different angles on the role language plays on our society, they all support the theme that language is what makes us human, and demonstrates the true power it awards us.

What is a sound wave? A sound wave is produced by a mechanical vibration, such as a tuning fork. The vibrating object causes the surrounding medium, such as air, to vibrate as well.The wave travels through the medium to a detector, like your ear, and it is heard.As with any type of wave, a sound wave is also described by it's wavelength, amplitude, period, and frequency.

Ultrasound or ultrasonography is a medical imaging technique that uses high frequency sound waves. It is a high pitch frequency that cannot be heard by the human ear. In ultra sound the following happens: High frequency sound pulses (1-5megahertz) are transmitted from the ultrasound machine into your body using a probe. The sound wave will travel into your body until it hits an object such as soft tissue and bone. When the sound wave hits these objects some of the wave will be reflected back to the probe. While some waves may carry on further till they hit another object and then reflected back. The probe picks up these reflected sound waves and relays them to the machine. The distance and time from the probe,