Other manufacturer-held clinical data include a clinical workflow study of ultrasound image sets from 15 subjects to assess the performance of the AutoMeasure feature, sonographer surveys from image sets from 24 subjects to evaluate the X5-1c transducer with nSIGHT Plus, sonographer surveys from image sets from 25 subjects to evaluate the 3D LV function quantification, more than four (4) years of post-market surveillance (PMS) data and vigilance data, and general Post-Market Clinical Follow-up (PMCF) data for the EPIQ System.