The Use of Diagnostic Ultrasonography in Medical Imaging

The term ultrasound in Physics means the acoustic energy that is above the audible frequency range. The audible frequency range of the human hearing is 20hertz to 20 kilo hertz. Anything above this range of sound frequency is called ultrasound. In diagnostic Ultrasonography the ultrasound is used for the diagnostic procedures. In fact the diagnostic Ultrasonography is an imaging technique that is used to get the pictures of the subcutaneous body structures like joints, vessels, muscles, tendons, and the internal organs in order to check for various diseases, and lesions.

The diagnostic Ultrasonography can be used to perform both the diagnostic as well as the therapeutic procedures in the field of medicine. For instance in interventional procedures like the biopsies or in the drainage of fluid collections, Ultrasonography is used quite comprehensively. Imaging of soft tissues like tendons, testes, neonatal brains, muscles, is done using the high frequency (7 to 18 MHz) that provides the physicians with a better axial, and the lateral resolution. The other deeper structures like the kidney as well as the liver are imaged at a lower frequency like 1-6 MHz that provide with a lower axial as well as lateral resolution but higher penetration. Some of the areas in medicine that extensively use diagnostic Ultrasonography are Emergency medicine, gynecology, cardiology, gastroenterology, neurology, urology, Ophthalmology, obstetrics, and cardiovascular system. The medical Ultrasonography is also used in interventional, biopsy, intrauterine transfusion, and contrast-enhanced ultrasound.

Diagnostic Ultrasonography has helped in the development and further advancement of the world of medicine. A perfect example of synergy between different branches of science, it has really revolutionized as well as changed the face of diagnostic as well as therapeutic methods in medicine.

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