• H J Zweifel and W Schöb.
• Abteilung Medizintechnik, Interstaatliche Ingenieurschule Neu-Technikum Buchs/SG/Schweiz.
• Ultraschall Med. 1982 Jun 1; 3 (2): 38-46.

AbstractMedical ultrasound equipment is mainly used for diagnostic purposes. Examiner, patient, measuring equipment and ultrasound-based diagnosis form the ultrasound diagnostic system which is characterised by a multitude of internal and external relations. By extending the scope of the system, quality assurance of the ultrasound diagnostic procedures is improved with regard to the physical performance of the system. The performance standards should be established internationally. Even the best of equipment is only as good as the user's experience In this respect, the standards have to be met theoretically and practically on all levels of medical education. The most appropriate settings would be represented by national associations of ultrasound. The introduction of ultrasound diagnostic procedures on the level GP everyday work should lead to a decrease in cost and an increase in speed and efficiency by eliminating routine x-ray examinations.

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