sonography is ultrasounds. These machines are used as image and diagnostic tools. They are more commonly used in obstetrics and gynecology during a woman’s pregnancy. Many women opt for ultrasounds mainly because it allows them to know the sex of their baby and the health of their baby. The majority of medical professionals suggest the use of ultrasounds to find out if there are any health risk to the baby or the mother and make sure that they are both healthy. The first ultrasound used for gynelogical
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000 to 100‚000. Also Ultrasound frequencies range from 20 kHz (the upper range of hearing for a young adult human) through 150 kHz (audible to some bats and other creatures)‚ right up to 10 MHz (used in some medical treatments and industrial cleaning applications). While these frequencies overlap with those of radio waves‚ they are different because sound and ultrasound are vibrations in the air‚ while radio waves are electromagnetic waves that can travel in a vacuum. UltraSound: Basic Idea – Send
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we can visualize the baby but is this an intrution What with ultrasounds is private and what is public? – family members coming to the birth‚ midwives and doctors that surround the woman whilst she is visualizing her fetus whilst in the womb‚ Bonding scan‚ seeing and feeling‚ when the mother visualizes her fetus moving and can also feel it ‚‚ but this is not the case for other members of the family in the room watching the ultrasound images.
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LIMITATION OF SIGHT AND HEARING INTRODUCTION Humans have sight and hearing limitation. Without any devices‚ our sight and hearing was limited. Most of the limitation of sight can be overcome with the help of certain optical instruments such as magnifying glass‚ microscope‚ binoculars and others. The range of frequency of hearing in human 20 Hz to 20 000 Hz. It was different according to the age of a person. Hearing limitations can be overcome by using devices such as microphone‚ stethoscope‚ earphone
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SENSE OF SIGHT…. The eyes are sensory organs. They keep the brain updated with information about is what happening around the body. Both contain millions of tiny sensors that send messages along nerves to the brain. Sensors in the eyes respond to light and‚ through the brain‚ let us see the world. Sensors in the skin respond to touch and allows us to feel. * * * * The seeing eye… Light enters the eye through the clear cornea. It then passes through the
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technical article I read was called "Ultra sound warning: Procedure may harm unborn babies’ brains." This article explained the danger to unborn babies when ultrasounds are performed on the mother to be. Research has been conducted to test the danger of ultrasounds on unborn mice. The research has shown some of the dangerous sides of ultrasounds. The mice were injected while in the womb to track their brain development. There were 335 mice injected. The research showed that the pregnant
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Medical sonography (ultrasonography/ultrasound) an ultrasound-based diagnostic imaging technique used to visualize muscles and internal organs‚ their size‚ structures and possible pathologies or lesions. (TheFreeDictionary.com‚ n.d.) Medical sonography was first applies to the humans body for medical purposes by Dr. George Ludwing at the Naval Medical Research Institute‚ Bethesda‚ Maryland in the late 1940s. (TheFreeDictionary.com‚ n.d.) For an ultrasound to work there are events that must happen:
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Ultrasound – Sendwavesintobodywhicharereflectedattheinterfacesbetween tissue – Returntimeofthewavestellsusofthedepthofthereflectingsurface History – Firstpracticalapplication‚1912unsuccessfulsearchforTitanic – WWIIbroughtmassivemilitaryresearch-SONAR(SOundNavigation And Ranging) – Mid-centuryusedfornon-destructivetestingofmaterials – Firstusedasdiagnostictoolin1942forlocalizingbraintumors – 1950’s2Dgrayscaleimages
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Because of this‚ they are often used as ancillaries of each other. However‚ their significance cannot be deprecated as each of them has its preferred areas of applications. Sonography (or ultrasonography) is an imaging technique that makes use of ultrasound to construct images of subcutaneous body structures such as tendons‚ muscles‚ vessels and joints. An image obtained through sonography is called a sonogram. The professional who performs ultrasonography is called a sonographer. This paper has been
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Ultrasonography‚ commonly called sonography‚ is a diagnostic medical procedure that uses high frequency sound waves (ultrasound) to produce dynamic visual images of organs‚ tissues‚ or blood flow inside the body. This type of procedure is often referred to as a sonogram or ultrasound scan. Sonography can be used to examine many parts of the body‚ such as the abdomen‚ breasts‚ female reproductive system‚ prostate‚ heart‚ and blood vessels. Sonography is increasingly being used in the detection and
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