Background and Purpose—Through harmonic gray-scale imaging, it is possible to analyze
brain tissue perfusion with different ultrasound methods. Methods—In 12 healthy volunteers …

Harmonic imaging increases the signal‐to‐noise ratio in greyscale imaging. With the use of
ultrasound contrast agents (UCA), imaging of brain perfusion seems possible. The authors …

Background and Purpose—Color-coded perfusion maps can be calculated from ultrasound
harmonic gray-scale imaging data to analyze brain tissue perfusion. Methods—In 13 healthy …

Background and Purpose—Gray-scale harmonic imaging is the first method to visualize
blood perfusion and capillary blood flow with ultrasound after intravenous contrast agent …

Background and Purpose—Second harmonic imaging (SHI) is a novel ultrasound technique
that allows the evaluation of brain tissue perfusion. The purpose of this study was to assess …

In this review, methodological aspects of cerebral perfusion imaging with ultrasound signal
enhancing agents are described. The various experimental bases, contributing to the …

Background and Purpose—It is unclear which harmonic imaging mode (power Doppler or
gray-scale imaging) is superior and which measuring method is the most robust for the …

Analysis of contrast diminution kinetics after bubble destruction is a new aspect in harmonic
imaging. The purpose of this study was to investigate this approach to human cerebral …

Background and Purpose Gas bubbles of ultrasound contrast agents resonate at
frequencies used for diagnostic ultrasound and produce harmonics or multiples of the …

Background: Second harmonic imaging is a new ultrasound technique that allows
evaluation of brain tissue perfusion after application of an ultrasound contrast agent …