Ultrasound concept first used in which decade?

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Multiple Choice

Ultrasound concept first used in which decade?

Explanation:
Medical ultrasound began with the idea of using high-frequency sound waves to probe body tissues and detect differences in how they reflect echoes. The first clinical use of this concept occurred in the 1940s. In that decade, Karl Dussik and colleagues conducted early diagnostic attempts to image the brain with transmitted ultrasound, marking the initial medical application of ultrasound for imaging. That pioneering work in the 1940s established the era from which real-time imaging and later Doppler techniques would develop.

Medical ultrasound began with the idea of using high-frequency sound waves to probe body tissues and detect differences in how they reflect echoes. The first clinical use of this concept occurred in the 1940s. In that decade, Karl Dussik and colleagues conducted early diagnostic attempts to image the brain with transmitted ultrasound, marking the initial medical application of ultrasound for imaging. That pioneering work in the 1940s established the era from which real-time imaging and later Doppler techniques would develop.

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