Though ultrasound is used as a diagnostic tool today, it was considered a therapy when it first appeared in medicine in the 1920s. Read on to learn how today's 3D and 4D ultrasounds work.
Ultrasound machines are complex pieces of equipment, but the basic principle is so simple a bat can use it. Send out high-pitched sound signals (so high-pitched humans can't hear them, in fact), and listen for them to bounce back. The time it takes for the sound to return tells you how close you are to another object, and sending dozens of these signals per second gives you a pretty good picture of the contours of the environment ahead of you and which bugs are juiciest. In the case of an ultrasound machine, these calculations typically map a 2D picture of a growing fetus in the womb. A 3D ultrasound takes this idea a step further, sending ultrasonic waves from a variety of angles around the body to provide a significantly more detailed picture. Adding the element of time results in a moving 3D image, often called a 4D ultrasound. Both 3D and 4D ultrasounds are elective procedures, most commonly used to show what a baby looks like and to identify its gender.
Though ultrasonic technology is used as a diagnostic tool today, it was considered a therapy when it first appeared in medicine in the 1920s, using much more intense ultrasonic energy to apply controlled heat to tissues deep within the body. However, in 1955, Professor Ian Donald of Glasgow University’s Department of Midwifery began to test its application to the diagnosis of tumors, creating a stir in the medical community when he identified a large but operable ovarian cyst in a patient who had been misdiagnosed with inoperable cancer of the stomach. In 1959 he discovered that the ultrasonic waves could provide images of fetuses as well, allowing doctors to study pregnancy at all stages, diagnose any complications, and help name the baby by seeing which celebrity it looks most like.
Instead of adhering to fad diets and trendy workouts, the exercise physiologist and nutrition experts that create fitness plans at Smithtown Personal Training & Nutrition get back to the basics. With a focus on time-tested approaches to exercise—such as strength training and cardio—their regimens are rooted in medical and scientific research. Sessions are tailored to crush specific goals set by each client, and PTI reaches out to everyone from students starting their first fitness regimens to seniors looking to increase their bone density and reduce their cholesterol.
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Dr. Scott Blyer is a board-certified MD, cosmetic surgeon, and published author who oversees surgical and nonsurgical enhancements. Inside of Cameo Surgical Center’s lavish offices, where modern white furniture cuts profiles against blazing orange walls, the staff of doctors, aestheticians, and nurses attends to facial, breast, and body surgery to help their clients regain their youthful and beautiful appearances. A slate of nonsurgical services such as Botox injections are also available, as well as nourishing facials inside the med spa.
NY Liposuction shrinks waistlines and enhances bodies with medical weight-loss treatments. Its liposuction procedure removes unwanted fat cells from torsos using the latest tumescent technology, with tiny incisions and minimal scarring. The focus is on creating beautiful figures.