based on the principle of echolocation: ultrasound signals reflected from acoustically heterogeneous structures are converted on the display screen into luminous points that form a spatial two-dimensional image.
Used in the recognition of the disease, to monitor the dynamics of the process and evaluate the results of treatment. Due to its safety (the possibility of multiple studies), ultrasound diagnostics is widespread.
Usually does not require any special preparation of the patient. Examination of the abdominal organs is mainly done in the morning on an empty stomach, female genital organs, prostate gland and bladder - with a full bladder. For better contact of the ultrasonic sensor with the body surface, the skin is lubricated with a special gel.