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Confirm Frequency Adjustment - Numaris X

The Confirm Frequency Adjustment Job Aid reviews how to perform semi-automatic adjustments for Fat, Water, or Silicone suppression on MR Systems with Numaris X software.

Confirm Frequency Adjustments Numaris X Job Aid Confirm Frequency Adjustments – Numaris X Confirm Frequency is a parameter used to perform semi-automatic adjustments for Fat, Water, or Silicone Suppression. 1. Open Pulse Sequence a. Select System > Adjustments 2. Select Confirm Frequency > select an Option a. Options – defines when Confirm Frequency Adjustment box appears i. Never – Confirm Frequency Adjustment box never appears ii. Always – Confirm Frequency Adjustment box appears before every meas- urement iii. When Changed – Confirm Frequency Adjustment box only appears if reso- nance frequency was changed due to an inline adjustment. 1. e.g., used for most protocols with fat, water, or silicone suppression Routine Contrast Resolution Geometry System Physio "Inline Sequence Miscellaneous Adjust Voluma TXRX Adjustment Strategy Standard Adjustment, Taleranco Auto (Maxi 80 Shim: Standard Adjust with Body Col.I B1 Shim: TrueForm Confirm Frequency lever Assume Salicone Always When Changed Manuel Adjustments 3. Select GO – Sequence runs and starts the shim process a. Shim Concluded > “Confirm Frequency Adjustment” box appears b. Peaks i. Fat Peak – Left Peak (lower frequency) ii. Water Peak – Right Peak (higher frequency) c. Frequency Differences – precessional frequency differences between Fat & Water i. 1.5T = 220 Hz ii. 3T = 440 Hz Unrestricted 0 Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2020 SIEMENS Master Template Effective Date: 3/5/2020 | HOOD05162003074494 Job Aid Effective Date: 07/22/2020 | HOOD05162003107428 Healthineers Job Aid | Confirm Frequency Adjustments – Numaris X Job Aid Effective Date: 07/22/2020 | HOOD05162003107428 4. Fat Suppression – Tick Mark over Water Peak a. Verify White Tick Mark is over Water Peak i. No Changes – select Continue to start the scan Confirm Frequency Adjustment X [Max] 8,816 FWHM [Hz] 109.4 Fat Peak (Left) Water Peak (Right) Mag f [HZ] 123.157.118 123.162.226 Coil Combined ADC Frequency (sys) [Hz] 123159736 Frequency (temp) [Hz] 123159736 Apply Continue Cancel 5. Fat Suppression – Tick Mark NOT over Water Peak a. Magnify Peaks – Right Mouse in Spectral Display to Magnify Peaks i. Select Zoom x 5 – better visualization of small peaks Confirm Frequency Adjustment [Max| 8,816 FWHM [Hz] 109.4 X orientation X orientation Zoom x1 Mag Zoom x2 Zoom x5 Zoom x10 f [Hz] 123.157.118 Zoom x20 123.162.226 Coil Combined ADC Frequency (sys) [Hz] 123159736 Frequency (temp) [Hz] 123159736 Apply Continue Cancel Unrestricted 0 Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2020 SIEMENS Master Template Effective Date: 3/5/2020 | HOOD05162003074494 Job Aid Effective Date 07/22/2020 | HOOD05162003107428 Healthineers Page 2 of 5 Job Aid | Confirm Frequency Adjustments – Numaris X Job Aid Effective Date: 07/22/2020 | HOOD05162003107428 b. Left Mouse on Fat Peak i. Frequency (Temp)[Hz] > Add [220 Hz @ 1.5T] or [440 Hz @ 3T] to last 3 numbers  Example: 63679529+220 = 63679749 ii. Select Apply  Dotted Line displayed on top of Water Peak  New Frequency (sys) [Hz] displayed iii. Select Continue to start Scan Confirm Frequency Adjustment Fat Peak (Left) Water Peak (Right) |Max| 8,816 FWHM [Hz] 109.4 Mag 123.159.225 123.160.247 Coil Combined ADC Frequency (sys) [Hz] 123159736 Frequency (temp) [Hz] 123159736 Apply Continue Cancel Unrestricted 0 Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2020 SIEMENS Master Template Effective Date: 3/5/2020 | HOOD05162003074494 Job Aid Effective Date 07/22/2020 | HOOD05162003107428 Healthineers Page 3 of 5 Job Aid | Confirm Frequency Adjustments – Numaris X Job Aid Effective Date: 07/22/2020 | HOOD05162003107428 6. Breast Imaging – Silicone Suppression a. Frequency Differences – precessional frequency differences between Silicone & Water i. 1.5T = 300 Hz ii. 3T = 600 Hz b. Open Pulse Sequence i. Select System > Adjustments ii. Check Assume Silicone – only if silicone implants are confirmed. Helps system correctly identify the highest peak Routine Resokron System Infine Sequence Miscelaneoas trust Volume Adjust with Hocy Col Bt Sim TrucForm Contem Freqteisy Now Manual Amustmunts c. Peaks i. Silicone Peak – Left of Fat Peak (e.g., only present if performing Breast Sili- cone Implant Imaging) c. Magnify Peaks – Right Mouse in Spectral Display to Magnify Peaks i. Select Zoom x 5 – better visualization of small peaks d. Left Mouse on Peak to Suppress (Water or Silicone) i. Select Apply  Dotted Line displayed on top of Water Peak  New Frequency (sys) [Hz] displayed ii. Select Continue to start Scan Unrestricted 0 Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2020 SIEMENS Master Template Effective Date: 3/5/2020 | HOOD05162003074494 Job Aid Effective Date 07/22/2020 | HOOD05162003107428 Healthineers Page 4 of 5 Job Aid | Confirm Frequency Adjustments – Numaris X Job Aid Effective Date: 07/22/2020 | HOOD05162003107428 Please note that the learning material is for training purposes only! For the proper use of the software or hardware, please always use the Operator Manual or Instructions for Use (hereinafter collectively “Operator Manual”) issued by Siemens Healthineers. This material is to be used as training material only and shall by no means substitute the Operator Manual. Any material used in this training will not be updated on a regular basis and does not necessarily reflect the latest version of the software and hardware available at the time of the training. The Operator's Manual shall be used as your main reference, in particular for relevant safety information like warnings and cautions. Note: Some functions shown in this material are optional and might not be part of your system. Certain products, product related claims or functionalities (hereinafter collectively “Functionality”) may not (yet) be commercially available in your country. Due to regulatory requirements, the future availability of said Functionalities in any specific country is not guaranteed. Please contact your local Siemens Healthineers sales representative for the most current information. The reproduction, transmission or distribution of this training or its contents is not permitted without express written authority. Offenders will be liable for damages. All names and data of patients, parameters and configuration 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. Copyright © Siemens Healthcare GmbH 2020 Siemens Healthineers Headquarters Siemens Healthcare GmbH Henkestr. 127 91052 Erlangen, Germany Phone: +49 9131 84-0 siemens-healthineers.com Unrestricted 0 Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2020 SIEMENS Master Template Effective Date: 3/5/2020 | HOOD05162003074494 Job Aid Effective Date 07/22/2020 | HOOD05162003107428 Healthineers Page 5 of 5