Question

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Answer 1

Echocardiography is also known as Heart Ultrasound. It is a simple and painless procedure that uses sound waves to take pictures of our heart.

Ultrasonography is used to create an image if the internal parts of the body.

Sonar (originally an acronym for sound navigation ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels