Throw tissues ultrasound waves back to varying degrees
Are of such high frequency sound waves to be of the people can no longer be perceived, they are called ultrasonic waves. Ultrasound waves hit a surface, so they - like the light - reflected or refracted. Various tissues of the ultrasound waves also cast differently back strong. Air throws ultrasonic waves disappeared almost completely, swallow liquids, however, the ultrasonic waves almost completely.
The echo is recorded and converted into an image
Through this property, the ultrasound in medicine for diagnostics are used, because it allows an image of the body. On the skin a hydrated gel is applied, over which the transducer of the ultrasonic device glides well and improves the transmission. The sound waves emitted by the device, of the tissues in the body reflects to varying degrees and as an "echo" set back. This echo is recorded and converted into an electronic image that is displayed on a screen. The picture then shows different longitudinal or transverse sections of the respective body region. An ultrasound scan is painless and has no harmful effects on present knowledge.
Ultrasound is a standard examination in urology
Urological diseases can be visualized using ultrasound following diseases:
Shape and position changes in the kidneys, birth defects
Urinary stones
Urinary obstruction
Kidney cysts
Tumors
Residual urine in the bladder
Prostate enlargement
The experience of the physician plays an important role
How well and safely possible, an ultrasound examination shows abnormal changes depends very much on the experience of performing physician and also on the performance of the device. Therefore, it is often a positive result, such as urinary stones, carried out an X-ray control, which secures the diagnosis.
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