No, but ultrasonography is.
Cranial ultrasonography is most often used in infants to diagnose problems with the brain
Transcranial Doppler ultrasonography is a noninvasive method of analyzing blood flow in the brain.
Sonogram
Ultrasonography is also called sonography, diagnostic sonography, and echocardiography when it is used to image the heart
Carotid Ultrasonography
A Doppler ultrasonography test showing no restricted blood flow is a normal finding.
Ultrasonography procedures are safe, noninvasive, and painless. No special precautions are necessary.
Doppler ultrasonography uses what is called the Doppler effect to measure the rate and direction of blood flow in the vessels.
with the wave transmitted in tissue
Cranial ultrasonography is also performed on adults during brain surgery to help identify the location of brain tumors
G. Pilu has written: 'Diagnosis of fetal abnormalities' -- subject(s): Abnormalities, Fetus, Prenatal Ultrasonography, Ultrasonography, Prenatal