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Phantom image test comparison with a commercial probe. The 14MHz 24 element Microlinear catheter array (top) with its limited aperture compares reasonably well to the much larger aperture neonatal probe, the Vingmed 10S (GE VingMed Ultrasound, Horten, Norway) (bottom), which is a 10MHz high frequency phased array equipped with 64 elements. Both arrays are tested here on the Vingmed Vivid 7 imaging system.
