![]() By looking at the relative strengths of the reflected pulses, the nature of the boundaries could also be determined. The strength of the reflection depends on the nature of the boundary.īy measuring the time between the when the pulses were emitted and when they are received back again, the distance between the different organ boundaries could be calculated. When the sound wave meets a boundary (for instance, a boundary between two organs), the wave is partially reflected back towards the transducer. The sound wave enters the body and travels through the body. In these scans, ultrasound pulses are sent into the patient’s body using a transducer. A single-institution, observational study was conducted within the University of Kentucky Ovarian Cancer Screening trial from January 1987 to September 2019. Ultrasound is widely used in medicine to scan internal organs or foetuses. The primary objective was to examine the role of pelvic fluid observed during transvaginal ultrasonography (TVS) in identifying ovarian malignancy. For instance, bats are known to use ultrasound to echolocate their prey. Although humans cannot hear frequencies above 20 000 Hz, many other animals are able to hear these sounds. Therefore, ultrasound refers to sound waves whose frequencies are above 20 000 Hz. Humans can hear sounds having frequencies in the range of about 20 – 20 000 Hz. Ultrasound is the name given to a type of sound waves, whose frequencies are above the human audible range. If ultrasound is the camera that takes the images, the sonogram is the picture. In contrast, a sonogram is an image produced as a result of an examination using ultrasound. The main difference between sonogram and ultrasound is that ultrasound refers to both a type of sound wave whose frequency is too high for it to be audible to humans and also to a type of medical examination where ultrasound waves are used to investigate the internal organs or foetuses of humans or animals. The term “sonogram” is also one that is used in the context of ultrasound scans. An ultrasound examination, also known as ultrasonography, is a non-invasive imaging technique that allows internal body structures to be seen by recording. Especially, foetuses of pregnant women are frequently scanned using ultrasound to check if the foetus is growing without any medical complications. Nowadays, ultrasound scans are quite common in hospitals. An ultrasound is a diagnostic medical test that uses high-frequency sound waves to create images of the inside of the body. Main Difference – Sonogram vs. Ultrasound
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