Assertion: ultrasound | /r/HasProperty | performed
Facets:
value: normally
type: DEGREE
value: during the second trimester between weeks
type: TEMPORAL
value: by generating high frequency sound waves
type: MANNER
Source sentences:
text: Why an ultrasound is performed Most people associate ultrasound scans with pregnancy.
text: Sterile saline will then be injected through the catheter into the uterine cavity as ultrasound is being performed.
text: When an ultrasound is performed, internal parts of the body are transformed into images on a screen through the use of a wand or probe.
text: Nevertheless, ultrasound should be performed only when medically indicated.
text: An ultrasound may be performed to examine tumors and cysts.
text: Ultrasound is performed by generating high frequency sound waves (typically 5 - 10 kHz) and directing them through body tissues using a probe held on the skin.
text: As the ultrasound is being performed, the image that is produced is in real-time.
text: Ultrasounds should only be performed when medically necessary.
text: Normally the ultrasounds of this kind are performed during the second trimester between weeks 18 and 22.