The Physics of Ultrasound

Today, if you do not use physics in the medical field you can say that at least diagnosis of the problem becomes difficult. In particular, the field of medical imaging benefits from the use of physics. Ultrasound is a sound wave with a higher audible frequency than humans. (Ultrasonic physics and instrumentation 111). The wavelengths are shorter than the audible sounds, and these waves can be directed to narrow light rays to image soft tissue. Like audible sound waves, ultrasound has a traveling medium and must be interfered.

Understanding the basic physics of ultrasound is important for emergency medical doctors. A medical ultrasonic device generates and receives ultrasonic waves. Brightness mode (B mode) is the basic mode that is normally used. Ultrasonic waves are radiated from the piezoelectric crystal of the ultrasonic transducer. Depending on the acoustic impedance of the material (depending on their density) different levels of black and white images can be generated. There are various methods that can control the quality of ultrasound, including the timing of ultrasound radiation, the frequency of the waves, and the size and curvature of the transducer surface. The received ultrasound signal can be amplified by increasing the gain. Operators should be aware of ultrasonic artifacts that may distort the research structure or display unrealistic structures. The most common workpieces include shadows and enhanced workpieces, edge workpieces, mirror workpieces, and echoing workpieces.

Understanding the basic physical characteristics of ultrasound is very important for emergency medical practitioners. Ultrasound consists of mechanical waves that can pass through various materials such as fluids, soft tissues, and solids. That frequency is higher than the human's upper limit of 20 KHz. The ultrasonic frequency is defined as the number of ultrasonic waves per second and the medical ultrasonic device uses waves with a frequency range of 2 to 15 MHz. The ultrasonic velocity in a particular medium is equal to the ultrasonic frequency multiplied by its wavelength

Physical ultrasound is a sound wave with a higher audible frequency than humans. (Ultrasonic physics and instrumentation 111). The wavelengths are shorter than the audible sounds, and these waves can be directed to narrow light rays to image soft tissue. Like audible sound waves, ultrasound has a traveling medium and must be interfered. In addition, they are very similar to light and can be reflected, refracted, and focused. Generally, the ultrasonic machinery market created by more than $ 77 million beat the competitors, including Siemens, Toshiba and Philips. V. Raja, president and CEO of GE Healthcare India, read a news article that Hyderabad government officials confiscated ultrasonic devices suspected of being illegally used to locate the birth of a new born child . In this article, I will present posters of GE Ultrasound Machine, packaged ultrasound equipment, and pregnant police officers.