ACUSON Bonsai Tissue Tracking
This Quick Card demonstrates Strain / Strain Rate (Tissue Tracking Quantitative Analysis (QA)) Tissue Tracking QA Workflow.
Quick Reference Card Strain/Strain Rate (Tissue Tracking Quantitative Analysis (QA)) ACUSON Bonsai® ACUSON Bonsai Ultrasound System Strain / Strain Rate (Tissue Tracking Quantitative Analysis (QA)) Tissue Tracking QA Workflow ......................... Step 1 Step 4 Tracking Quality 100 Recall a cine loop from the Once the LV wall is outlined, trace • • current exam or any saved Thickness can be modified if necessary. exam in the archive. Choose Start Tracking on the soft • Tracking can only occur menu to start the tracking function. • when the ECG leads are engaged with 3 or more AZCª PSARE BSAKAP beats captured in a cine loop. Thickness: 6 Start Tracking TIP If walls are not visualized, the software will have difficulty tracking tissue. Consider adjusting LGC or other image optimizations. TIP If any wall segments are not tracked with a high percent of certainty, there will be “x” values placed in the wall segment diagram. Step 2 B Select the Tissue Tracking • iWorks Step 5 QA option from the menu. Stress Echo • A user defined key can be If tracking is acceptable, choose Accept and Compute assigned to Tissue Tracking. Free Xros M on the bottom left of the screen to compute. Tissue Tracking QA If tracing is unacceptable, select the Clear key • and retrace. ....... Step 3 Accept & Compute Edit Auto Play: X 1 Identify the Tissue Tracking options in the lower portion Off • of the screen, which correspond with the soft keys. Use the soft keys under the screen to adjust for View TIP Edit will allow for change of tracking pattern prior • Type, Trace Method, and Tracking Cycles. to computing. AutoPlay will change the clip speed. Tracing options in the apical views are Manual Trace • or 3-Point method. View Type: A4C Trace: 3 Point Cycle: (1-3) Tracking Cycles: 3 TIP For the 3-Point method, activate cursor and place caliper at the medial LV septal base, LV lateral base, and then at the apex. SIEMENS Healthineers siemens.com/bonsai HOOD05162002809506 Step 6 Terminology Choose computation method at the bottom left portion EDV-End Diastolic Volume • • of the screen. ESV-End Systolic Volume • Speed, Displacement, and Volumes will be shown in • EF-Ejection Fraction • apical and parasternal views. GS-Global Strain • In apical views, strain computations include • • longitudinal strain rate, longitudinal global strain, L Strain-Longitudinal Strain transverse strain rate and transverse global strain. L Strain R-Longitudinal Strain Rate • T Strain-Transverse Strain • Parameter: L Strain Bull’s Eye Auto Play: Stop T Strain R-Transverse Strain Rate • Off C Strain-Circumferential Strain • • TIP Typically, longitudinal strain is the C Strain R-Circumferential Strain Rate value used to assess strain data. R Strain-Radial Strain • R Strain R-Radial Strain Rate • Step 7 When the displayed parameters and computations • are complete and accepted. To obtain images, press Save. • All values will populate to the Bull’s Eye and can be • accessed using the soft keys. AP 96.6% MI 1.4 TIS 1.0 HR 53 SIEMENS .. ong Axis : Labank Healthineers Time ToPeak (ms) AZCANT AZCANT F H3.8 D 13.0 ALAXANT SEP 356 G 83(+8) ANT LAT 850 ANT LAT FR 62 DR 120 iClear 6 Echo Boost 356 -15 356 INFLAT A4C INF SEP AACINF SEP 356 Tracking Quality GLPS_ALAX = - 16 % A2CANT GLPS_A2C = - 19 % GLPS_A4C = - 18 % ALAXANT SEP GLPS_Avg = - 18 % ANET LAT EDV(AVG) = 139.02 ml ESV(AVG) = 71.00 ml EC(AVG) 48 02 0/ TPSD = 47.02 ms A4C INF SEP In order to complete a longitudinal strain Bull’s TIP Eye chart, all three views (A4C, A2C, and A3C) must be analyzed. Free Xros M and iWorks are trademarks of Shenzhen Mindray Bio-Medical Electronics Co., Ltd. ACUSON Bonsai is a trademark of Siemens Medical Solutions USA, Inc. Siemens Healthineers Headquarters Distributed By Siemens Healthcare GmbH Siemens Medical Solutions USA, Inc. Henkestr. 127 Ultrasound 91052 Erlangen, Germany 685 East Middlefield Road Phone: +49 9131 84-0 Mountain View, CA 94043, USA siemens.com/healthineers Phone: +1-888-826-9702 siemens.com/ultrasound Manufactured By Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Published by Siemens Medical Solutions USA, Inc. · Order No. A91US-492-1C-4A00 · Printed in Germany · 5795 0218.xx · © Siemens Medical Solutions USA, Inc., 2018 HOOD05162002809506
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