NEET BIOLOGY

Detailed explanation-1: -Diagnostic ultrasound, also called sonography or diagnostic medical sonography, is an imaging method that uses sound waves to produce images of structures within your body. The images can provide valuable information for diagnosing and directing treatment for a variety of diseases and conditions.

Detailed explanation-2: -Sonography is a medical imaging technique that uses high-frequency sound waves and their echoes. Since high-frequency sound waves are needed for sonography, ultrasonic waves are used. Ultrasonic waves are high-frequency waves with a frequency greater than 20kHz. Was this answer helpful?

Detailed explanation-3: -Ultrasonic wave is defined as “inaudible sound with high frequency for human” the frequency of which generally exceeds 20 kHz. These days, sound wave which is not intended to be heard is also called ultrasonic wave.

Detailed explanation-4: -An echocardiogram (echo) is a graphic outline of your heart’s movement. During an echo test, your healthcare provider uses ultrasound (high-frequency sound waves) from a hand-held wand placed on your chest to take pictures of your heart’s valves and chambers.