ACUSON Sequoia™ 3.5 VB30 VT 2D SWE Small Parts Quick Card

Quick Card Virtual Touch 2D SWE in Small Parts . ... ACUSON Sequoia Ultrasound System 3.5 (VB30) siemens-healthineers.com/ultrasound Using 2D shear wave elastography (SWE) to measure shear velocity (Vs) in meters per second (m/s) and elasticity (E) in kilopascal (kPa) for applications in Small Parts Step 1 18L6 Step 3 Breast SWE • Select a compatible transducer • The SWE tab is the default and exam preset1 application on the touch screen Step 2 Step 4 Update • Press VT (Virtual Touch) located on VT • If required, roll the trackball the control panel to reposition the region of interest (ROI) • If required, press the right or left Set key and roll the trackball to resize the ROI (if necessary) • Use minimal scanning pressure to prevent a pre-compression effect • Press Update on the control panel to begin the acquisition 1 2D SWE imaging is compatible with transducers 5C1, 9C2, DAX for Abdomen; 10L4 and HLX for Thyroid, Breast and MSK; 18L6 for Thyroid and Breast. SIEMENS Healthineers . Step 5 • When the acquisition is complete, the system automatically freezes, emits one audible “beep”, and activates the Velocity or Elasticity display mode. • Adjust Min and/or Max Velocity or Elasticity Increase the range if the measured value Min Velocity Max Velocity Min Elasticity Max Elasticity - exceeds the range by displaying “High” 0.5 4 50 Decrease the range if better visualization - of velocity of stiffness differences is needed To check the quality of your image prior to Quality Velocity • measurement, ensure that the Quality and m/s Displacement map options are selected and displayed on the touch screen above the Live Dual Dual display. If the maps are not displayed, select either of the keys to open the pop-up menu of map choices. Measurements should be taken in regions Velocity Elasticity Quality Displacement Displacement 2D Only • m/s kPa with high quality (green to yellow-green) in the Quality display Quality Velocity m/s • Correlate the areas in the Velocity or Elasticity image with shear wave signal-to- noise ratio and Displacement amplitude Note: During freeze, a cooling timer indicates remaining seconds until the transducer is available for image acquisition. During a short cooling time (e.g., 1–2 seconds), the timer appears and then disappears very quickly. Step 6 • If required, the units (m/s and kPa) may be altered by selecting the desired unit from Velocity Elasticity the touch screen display options m/s kPa • To display the SWE image in full screen format (if desired), select the Live Dual key Live Dual to exit the split screen format • If required, rotate the VT rotary dial on the control panel to change the transparency of the 2D SWE image VT 2 siemens-healthineers.com/ultrasound Measurements Shear Velocity and Elasticity Measurements can be performed or viewed in the Velocity, Elasticity, Quality, or Displacement display modes. Shear Velocity • Press Caliper on the control panel – Shear Velocity is the default measurement tool 18L6 Breast 0.63 TIS 0:39 • Roll the trackball to position the measurement ROI; 65fps ROIs should be placed at the same depth in the image 20 for comparison measurements of normal/abnormal OdB/ Mid tissue; in Live Dual, the measurement ROI can be SWE placed on either image Transp: 60% • If needed, rotate the ROI Diameter to resize • Shear wave measurements and measurement ROI depth and diameter are displayed near the image (Fig. 1) 1 Vs Median=2.36 m/s • To display a measurement in the report, select the E Median=16.7 kPa Depth=0.86 cm Diam=0.30 cm desired measurement label 2 Vs Median=1.12 m/s E Median=3.8 kPa Depth=0.87 cm Diam=0.30 cm • If desired, press the Set key and roll the trackball to perform additional measurements, or select Delete on the control panel to delete the measurement Fig. 1: Velocity display mode in Live Dual format and shear wave measurements of a breast lesion. • Select Report on the left side of the touch screen to view, store, print, or transfer shear wave measurements Note: If the measurement ROI value exceeds the current maximum velocity or elasticity setting, the measured results display HIGH for the shear wave value. If the measurement ROI value is lower than the current minimum velocity and elasticity setting, the measured results display LOW. The measured results will display X.XX (for velocity) or XX.X (for elasticity) if the shear wave was not detected within the ROI or if a measurement is performed outside the ROI. Shadow Calipers Shadow 1 D=0.30 cm Shadow calipers are used to duplicate and display a measurement on the adjacent image to compare the Velocity 10L4 Breast size and/or location of a lesion. TIB:0.67 TIC:1.14 FIO:0.67 MI:1.16 In Live Dual, press Caliper on the control panel 54fps • 95% 2D H High • Select the measurement tool 0dB/DR65 c=1446 SWE Shadow is activated as a default on the touch screen Transp: 60% • • Measure the right or left image +1 • The Shadow measurement is displayed in the measured results Tip: Shadow may be used with the Shear Velocity tool when Live Dual is activated. 4cm 1 D=1.64 cm siemens-healthineers.com/ultrasound 3 For the proper use of the software or hardware, please always use At Siemens Healthineers, we pioneer breakthroughs in healthcare. the Operator Manual or Instructions for Use (hereinafter collectively For everyone. Everywhere. Sustainably. As a leader in medical “Operator Manual”) issued by Siemens Healthineers. 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Please contact your local We are a team of more than 71,000 Healthineers in over 70 countries Siemens Healthineers sales representative for the most current passionately pushing the boundaries of what is possible in information. The reproduction, transmission or distribution of this healthcare to help improve the lives of people around the world. training or its contents is not permitted without express written authority. Offenders will be liable for damages. 1 Personalization of diagnosis, therapy selection and monitoring, aftercare, All names and data of patients, parameters and configuration and managing health. dependent designations are fictional and examples only. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. ACUSON Sequoia and Virtual Touch are trademarks of Siemens Medical Solutions USA, Inc. Siemens Healthineers Ultrasound owns the rights to all images. 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