Table 1.

Commonly used scanning mode, volume acquisition, and analysis for three-/four-dimensional (3D/4D) ultrasound examinations.

Mode	Volume Acquisition	3D/4D Analysis
Gray scale	3D: different modes	Multiplanar
Color flow	4D	Multislice
Power doppler	STIC 1	Rendered view: different modes
High-density power imaging	Matrix probe	Cine loop
B-flow		Semi-automatic analysis
		Volume measurement
		Power Doppler measurements

¹ Spatiotemporal image correlation.