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Ultrasound principles
Ultrasound principles
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Before the mid-1950’s, a pregnant woman would go through some major problems with her body and baby. There is no way of looking at the insides of our bodies and judging what is happening exactly. A woman would not know she is pregnant until she was showing and her menstruation was delayed. Therefore, that meant the due date of the baby was unknown. Furthermore, a woman would not know the baby’s health, including the amount of amniotic fluid surrounding the baby. Woman all over the globe faced problems with pregnancy, until the Ultrasound was introduced. Ultrasound is an imaging technique that use high-frequency sound waves, inaudible to the human ear, to produce somewhat precise images of the insides of the abdomen. A device called the transducer is used to transmit the sound waves through the abdomen. Specifically Prenatal and Fetal ultrasounds, which view the inside of a pregnant woman’s abdomen and the fetus. Prenatal and Fetal ultrasound images can determine and evaluate the development of the baby; including its health, age, weight, and the gender and if any abnormalities exist. It is also a chance to study your baby’s profile months before the baby is delivered. Furthermore, it determines the location of the placenta, the amount of amniotic fluid around the baby and the position of the baby.
There are two main procedures in which take place during the Ultrasound examination: Transvaginal ultrasound and Transabdominal ultrasound. The Transvaginal ultrasound is when a wand-like transducer is put into the woman’s vagina to transmit the sound waves and produce the image. Transabdominal on the other hand, is when a flat-surfaced transducer is moved over the woman’s abdomen. Each procedure is used at different stages of the ...
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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.
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
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.
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Thus the reason fetal monitoring is important in the case of
In general, ultrasound waves produced by an instrument called transducer are sent into a patient. Some of the waves are absorbed, but the other portion of these waves are reflected when tissue and organ boundaries are encountered. The echoes produced by the reflected waves are then picked up by the transducer and translated in a visible picture often referred to as ultrasound. In the paragraphs that follow, the physics of how the transducer functions, what the ultrasound waves do, and how the image is formed will be explained.
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The process of human development is very complex. It is a continual process, providing gradual development for the fetus. Some of the most important factors to fetal development such as blood flow, heart beats, muscle development, and brain activity can all be determined within the first seven weeks of pregnancy (Baby Developme...
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