TechBme

S.C. Nwaneri, Department of Biomedical Engineering University of Lagos, Nigeria. E-mail: snwaneri@unilag.edu.ng An ultrasound machine is a medical device that makes use of high frequency sound waves beyond the frequency  range that the normal human ears can hear to view the internal organs of humans. Ultrasound is also known as sonography. The normal frequency range that humans can hear is between 20 Hertz and 20 Kilohertz. An ultrasound machine operates with a frequency of 2 - 20 Mega Hertz. Ultrasound machine is non-invasive and does not make use of harmful ionizing radiation. So the machine is generally safe. USES OF ULTRASOUND MACHINE Have you ever been made to go through an ultrasound procedure?  Perhaps you or your loved one has been pregnant and needed to confirm the gender of your unborn baby. That is the most popular use of ultrasound machine. However, ultrasound machine is used for many other purposes. Ultrasound machine are generally used for obstetric and non-obstetric pu