stomache problems
Sonogram is the image not the waves.
general term - ultrasonic waves can also be used for metals
sonogram is a medical term using ultrasonic waves only for humans
it can damage your hearing
Ultrasound has its own side effects though minimal. Continuous exposure to ultrasound is therefore not advisable. In as much as our ears might not perceive it, it could even lead to hearing loss.
Continuous exposure to ultrasound could possibly lead to hearing loss because of the sound pressure that has a frequency beyond the upper limit of perception of the human ear.
