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History of ultrasonic
Effects of medical ultrasound on the human body
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Ultrasounds have been around and in use for centuries, continually revolutionizing the medical field. They incorporate advanced technology and science into highly functional medical machinery. Throughout the years, scientist have found a way to develop a modernized version of this classic medical device by introducing three-dimensional technology. Three dimensional ultrasounds, although advanced and modern, have a number of noteworthy disadvantages.
In 1980, Olaf von Ramm and Stephen Smith introduced the three-dimensional ultrasound into the medical field. Eventually, in 1987, they were granted a patent. Since then, the use of this device has grown tremendously; however, it still is not used as often as the traditional two dimensional
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ultrasound (Jeandron). In a two dimensional ultrasound, sound waves are sent into the patient’s body, using a probe that is connected to a computer.
Once these waves have reached an organ or other internal body structure, they are sent back to the probe. This is where they are analyzed and translated back into the computer. By using the speed of sound, the computer is able to calculate the distance, size, shape, and density of the organ (Gurnick Academy of Medical Arts). The numerous two dimensional images are able to be combined, thus creating a more detailed, three dimensional image (Jeandron). This technology is analogous to that portrayed by the navigation system of submarines and sonar bats (Gurnick Academy of Medical Arts).
Ultrasounds are most commonly used for viewing internal organs, analyzing blood flow, and checking on a developing fetus (Freundenrich). By simply using the speed of sound and a computer monitor, doctors are able to easily view and assess the movement and functionality of tendons, ligaments, muscles, and joints (Gurnick Academy of Medical Arts).
Within the last century, as three dimensional ultrasounds have become more popular, the images have been viewed as “baby keepsakes” (Stenson). Because the three dimensional image is very detailed, and even shows physical features of the baby, this has become a popular thing to have
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performed. Although traditional, two dimensional ultrasounds are used commonly for everyday medical examinations of internal organs, three dimensional ultrasounds are more commonly used in prenatal care. Because the image is more thorough, three dimensional ultrasounds are often used to “detect cardiac anomalies” and “screening for fetal heart” (Ionescu, 2010). Just as a two dimensional ultrasound has the ability to do, three dimensional ultrasounds can help a doctor to make accurate diagnoses and detect tumors or other concerning problems. They are also commonly used to view chromosomal abnormalities” (Tarkan, 2011). There are numerous benefits to three dimensional ultrasounds. As previously mentioned, three dimensional ultrasounds create a clearer, more precise image, as opposed to a two dimensional that creates a less-thorough image. Because of this, doctors are able to more accurately make diagnoses. Also, this clearer picture can allow the doctor to see the fetal heart and cardiac structure better than what is possible using a two dimensional ultrasound (Larkan, 2011). As a whole, the most significant benefit to the three dimensional ultrasounds is that they give doctors and patients the ability to further analyze aspects of the body that a two dimensional ultrasound would not necessarily be able to provide. However, the two dimensional ultrasound has been in use for a very long period of time and, generally speaking, gives a sufficient amount of information to be able to correctly diagnose or analyze. For this reason, three dimensional ultrasounds are not as widely used as two dimensional ultrasounds. In addition to these benefits, there are also a significant amount of disadvantages.
Professionals generally suggest that people do not receive three dimensional ultrasounds for purposes not medical related (FDA). For example, there have been many cases in which women simply want to see what their baby will look like, and use the image as a keepsake, as mentioned previously. However, professionals suggest that three dimensional ultrasound should strictly be used as a way to further analyze concerning and potentially dangerous aspects in the fetus. The reason for this is that according to the American College of Obstetricians and Gynecologists, subjecting the human body, particularly a fetal boy, has been proven to cause “jarring vibrations and a rise in temperature” (FDA). Although the FDA notes that these effects have not directly harmed a fetus, they are certainly serious risks that occur in a three dimensional ultrasound.
In addition, the three dimensional ultrasound takes much longer to complete, as it is a series of traditional two dimensional ultrasounds in a row. This also causes an increase in the amount of time the fetus is subjected to the harsh sound waves; thus, posing the recurring issue of potential harm to the unborn
baby. Another drawback of three dimensional ultrasounds is that they are substantially more expensive than a two dimensional ultrasound. Not only do they cost more for the consumer to have performed, but they are extremely expensive for the medical facility to attain. Because the technology is very advanced, the equipment is costly. In addition, operators must be properly trained, which also costs more money (Stenson). Three dimensional ultrasounds are very sensitive to a number of occurrences. Any movement from the fetus whatsoever can potentially cause the image to be ruined. These movements can include a small movement of a body part or even a hiccup. Additionally, if the operator is not fully trained to properly use the equipment, there is a possibility that the image will be corrupt (Ionescu, 2010). As a result of these things, it is evident that the quality of the three dimensional ultrasound is completely reliant on having a quintessential visit. In conclusion, three dimensional ultrasounds provide many benefits to the medical industry, specifically in prenatal care; however, they unquestionably pose some risks and downfalls. Because of these downfalls, many medical facilities deliberately choose not to provide this treatment, making three dimensional ultrasounds somewhat of a commodity in terms of medicine.
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 and is provided by obstetric and gynecologic sonographers, who also provide imaging of the female reproductive system. Other types of sonography include; abdominal sonography, breast sonography, musculoskeletal sonography, neurosonography and cardiovascular sonography. Due to the vast nature of uses in sonography, most professionals study one field that they choose to specialize in. Diagnostic medical sonography is a rapidly growing field because of the increase in medical advances. The area of Cleveland, Ohio has continued to rise in the medical field with great strides, providing better career prospects with the availability of numerous employment positions.
According to Diaz (2008), the results from the study showed that the images from the new 3D technology were far clearer and more defined when compared to the US-A traditional device. In muscle contusions and lesions of the tendons, the definitions of hemorrhaged areas increased dramatically. The images from the chronic ligament injuries showed where the scar tissue had formed and provided a better visualization of the damaged tissue. Finally, the new US-B system allowed the ultrasound specialist to see the contents of the bursa sac and thickness of the walls more clearly.
As an ultrasound technician/sonographer I will have the ability to see dangerous defects within the human anatomy and begin a lifelong profession with many benefits. The Ultrasound was first invented in the early 1900’s and was surprisingly not used to produce photos of a fetus. In 1917 Paul Langen a marine life scientist used a form of ultrasound equipment in his attempt to detect submarines. After many failed attempts at using high frequency sound waves Dr. Ian Donald and his team in Glasgow, Scotland invented the first ultrasound machine in 1957. Dr. Donald even tested his machine on patients within a year of completing the invention, by the late 1950’s ultrasounds became routine in Glasgow hospitals.
During pregnancy an echocardiogram of the fetus can be done to produce images of the heart by sending ultrasonic sound waves to the vital organ. These sound waves create an image for the physician to analyze the babies heart function, structure sizes, and blood flow. A positive diagnosis before birth has shown to improve chances of survival, and will allow for appropriate care to be readily available at birth. If a baby is born without being diagnosed with the heart defect, some symptoms previous noted such as low oxygen levels can be suggestive of hypoplastic left heart syndrome. The baby may not display any symptoms or signs for hours after birth because of the openings allowing for blood to be pumped to the rest of the body. However, listening to the babies heart can revel a murmur indicating an irregular flow of blood in the heart. If a murmur is heard, or signs of the defect are observed, diagnostic tests will be ordered and performed. An echocardiogram is still the go-to test once the baby is born to evaluate the heart. The echocardiogram will diagnose the newborn, by revealing the underdeveloped left ventricle, mitral and aortic valve, and the ascending aorta commonly seen in
The current demand is high for sonographers throughout the United States and abroad. It has been shown that the demand for sonographers will continue to increase well into the future. According to the Bureau of Labor Statistics (BLS), the employment in the field of Medical Sonography is predicted to grow 45.5% between 2010 and 2020. The growth is among the fastest rates in all healthcare jobs. As a result, as the demand grows for sonographers, so will the salaries (BLS). The attractive salaries and flexible work hours, as well as the diversity of options available and the lack of geographical limitations on employment opportunities, make Ultrasound an attractive career field (BLS). Most employers prefer to hire diagnostic imaging workers with professional certification. Also many insurance providers and Medicare pay for procedures, but only if certified. According to the BLS, Medical Sonography is on its list of the best jobs of 2013. Medical Sonographers can get promoted by certifying in more than one area in ultrasound or having more work of experience being promoted to a supervisor. Anywhere you go this job has a high demand and a fast rate. Due to population hospitals, facilities, or offices will always need medical
... in place in delivery rooms to better sterilize the environment to eliminate viruses and infection which would further risk bleeding for mother or infant and thus lead to increased time in the NICU.
Ultrasound Technicians are very valuable in the world of health care. Also known as Diagnostic Medical Sonographer, an Ultrasound Technician uses special machines and equipment that operates on sound waves to determine or diagnose medical problems for patients. There are specializations within this field in which some individuals explore. For instance, areas of specialization includes but not limited to; pregnancy, heart health, gynecology, and abdominal sonography. Although each specializing branch has its own distinctive function, they all involve probing the body to facilitate doctors with diagnoses.
Being able to identify lumps, swelling, tissue damage, cysts, and the overwhelming news of the sex of a baby all have something in common, an ultrasound. Swelling of the spleen, kidney stones, blood clots, aneurysms, cancer and so much more can be identified through the works of an ultrasound’s imaging technique. Ultrasound involves many concepts, procedures, and careers. The amount of medical possibilities involved with ultrasounds is useful in major medical diagnostics. The field of ultrasounds and career opportunities are widely growing. As medical careers flourish, needs for technicians in many fields of medicine are increasing. Instead of a doctor choosing complex and risky surgery to find out problems within the body, they can now choose a safer path; the ultrasound path. Patient’s history and physical evaluation are building blocks to diagnostics but ultrasounds are much greater. They are powerful tools used to see beyond the skin into the depths of a person’s body. What ultrasounds are, what types there are, and what they are used for, and the education and careers available are the major themes found in research on the subject. Knowledge of ultrasound and its background may help one decide what career is best for them. Understanding the wide array of diagnostic tests and their uses are essential to figuring out what a career as a sonographer entails and the type of education that is needed. Because there are plenty of possibilities for specializing with different technologies, there is a wide variety of job opportunities in the medical imaging career. The call for ultrasound’s assistance opens new paths in future high-quality careers.
There is also a high-resolution ultrasound scanning that can detect chromosomal and physical abnormalities in the first trimester as opposed to the second trimester. A technology such as this can create many ethical problems. Mcfadyen describes the biggest problem as being informed consent. “They may believe that it will provide information only about gestational age and be unaware of the range of abnormalities that can be detected. Recent research suggests that many women are not told beforehand of the first scan’s potential to detect fetal anomalies.”
It is a requirement for the American Registry for Diagnostic Medical Sonography. Employers prefer these individual skills given in the ARDMS. I will study skills and concepts in medical assisting, medical billing, coding, laboratory procedures, phlebotomy, nursing assisting and pharmacy technology. (California College San Diego, 2015) Having extra skills in many other careers will help me be successful in many other things in life. Some other benefits is that once I graduate I could be prepared for a career as a pharmacy technician, certified nursing assistant, home health aide, medical receivables and a coding professional. (California College San Diego, 2015) It makes it interesting because I’ll be able to be qualified for other things. These skills and benefits will make sure that I’m able to do whatever I desire. Becoming an ultrasound technician will make a difference in the world because I’ll be able to find major things out before they become
In summary, the medical imaging technology of ultrasound is founded on the world of physics. As we understand more and more about waves and how they functions, ultrasound imaging capabilities expand, allowing for the increasingly accurate diagnostic of medical problems.
CTscans stands for “Computed Tomography”. It is a way of looking inside your body using a special camera. It is an advanced scanning x-ray and computer system that makes detailed pictures of horizontal cross-sections of the body, or the part of the body that is x-rayed. A CT scan is a diagnostic test that combines the use of x-ray with computer technology. A series of x-beams from many different angles are used to get these cross-sectional images of the patient’s body. In a computer, these pictures are assembled into a 3-dimentianal picture that can display organs, tissues, bones, and any such thing. It can even show ducts, blood vessels and tumors. One of the advantages of CT is that it clearly shows soft tissue structures (such as brain), as well as dense tissue structure (such as bone). The pictures of a Ctscanner are a lot more detailed than the pictures of a regular X-ray machine. It can make pictures of areas protected or surrounded by bones, which a regular X-ray machine can not. Because of this, a CT scanner is said to be 100 times as affective and clever as an ordinary X-ray, and can therefore diagnose some diseases a lot earlier and quicker. It is recent technology that has made it possible to accurately scan objects into a computer in three dimensions, even though the machines and ideas were developed in the 1970s. In the 70s doctors started to use this new type of machine that could give detailed pictures of organs that the older type of x-ray, machine could not give.
[IMAGE] * Ultrasound Ultrasound was another application of physics which I saw in QueensElizabethHospital . The use of ultrasound which I saw was the ultrasound scan. This is mainly used for pregnant women to see if the foetus has any abnormalities, or check on progress and growth. The rays in ultrasound have a very high frequency which is above the human audible range. Here you can see an image made using ultrasound to see a foetus's progress, growth and if the foetus has any abnormalities.[IMAGE] Gamma camera.
Images of human anatomy have been around for more than 500 years now. From the sketches created by Leonardo da Vinci, to the modern day Computed Tomography (CT) or Magnetic Resonance Imaging (MRI) scan, images have played a great role in medicine. Evolution in medical imaging brought together people from various disciplines such as Biology, Physics, Chemistry and Mathematics, a collaboration which has further contributed to healthcare as a whole. Modern day imaging improves medical workflows by facilitating a non-invasive insight into human body, accurate and timely diagnostics, and persistence of an analysis.
Initially, my area of interest was directed towards diagnostic sonography, however, this area of study was not