Ultrasonography also known as Diagnostic sonography is an ultrasound diagnostic imaging technique that is used for the visualization of body structures such as internal organs, muscles, vessels, tendons and joints. These structures are visualize for possible lesions, etc.
Ultrasonography has an application called Obstetric ultrasonography, which is applied to obstetrics. This technique is usually commonly used during pregnancy because it visualizes the fetus or embryo in the uterus of the mother. This procedure is applied for prenatal care, which it provides a variety of information about the fetus and its mother.
Medical sonography is worldwide used in the medicine area. This technique is used to perform therapeutic and diagnostic procedures with the usage of the ultrasound for the guidance of the interventional procedures. A sonographer is the individual who performs the scans for all patients. The sonographer uses a hand held device called Transducer, which is used and placed directly on the patient or move over. Ultrasonography is very effective for soft tissues imaging of the body. There are various modes of sonography for imaging which are the following: 1- A-mode, 2- B-mode, 3- C-mode, 4- M-mode, 5- Doppier mode, 6- Pulse inversion mode and 7- Harmonic mode. The images of the scanner can be showed, broadcast and captured through a computer with the usage of a frame grabber, which captures the analog video signal.