Since 1985 Advanced Electronic Diagnostics has provided New and Refurbished Ultrasound Imaging Systems as well as New and Refurbished Stress Testing systems at incredible savings. AED also provides factory quality service on all major makes and models of Ultrasound and Stress Testing systems including ATL, Acuson, Biosound, Burdick, Diasonics, GE, HP, Interspect, Marquette, Philips, Quinton, Siemens, Sonosite, Terason, Toshiba, as well as most other brands. We have the proper tools, software, passwords to service your equipment properly to factory spec's, and at the same time providing substantial savings up to 60% over Factory service cost.