Biograph Vision Quadra™ Quality Control Online Training

Continue Button Untitled Scene Master Template HOOD05162003052540 | Effective Date: 26-Nov-2019 ? Biograph Vision Quadra™ Quality Control Online Training This online training provides you with a general overview of the Quality Control procedures required for your Biograph scanner. Explain the PET and CT Daily Quality Control (QC) 1 Perform the additional maintenance procedures when necessary 4 Perform CT daily system maintenance procedures 3 Identify the sources and phantoms used in QC 2 Welcome Welcome to the Biograph Vision Quadra Quality Control Online Training. This online training provides you with a general overview of the Quality Control procedures required for your Biograph scanner. The topics covered in this module will include: the sources and phantoms used for Quality Control, ​the daily system maintenance procedures, and additional maintenance procedures. Upon successful completion of this course you will be able to: Explain the PET and CT Daily QC, (slight pause) Identify the sources and phantoms used in QC, (slight pause) Perform CT daily system maintenance procedures, and (slight pause) Perform the additional maintenance procedures when necessary. ? PET Quality Assurance Overview In order to maintain your scanner, get optimum image quality and accurate calculations, quality control procedures will need to be performed regularly. The PET QC Schedule is divided into daily, weekly, and quarterly procedure. See the QC Schedule to the right. Table with 2 columns and 9 rows What? When? Restart Computers Daily at Startup CT Checkup Daily at Startup CT Quality Daily at startup or after extended power off PET Daily Quality Check Daily at startup (prior to scanning patients) After extended power off After remote access service procedures Archive Patient Data Daily PET Partial Setup Weekly or automatically after 7 days PET Full Setup and Time Alignment Quarterly or automatically after 90 days CT Constancy Monthly PET Quality Assurance Overview In order to maintain your scanner, get optimum image quality and accurate calculations, quality control procedures will need to be performed regularly. The PET QC schedule is divided into daily, weekly, and quarterly procedures. In the next section, we will cover each of these PET quality control procedures in more detail. Review the PET Quality Control schedule to the right. ? Daily Quality Control On a daily basis, verification should be run to ensure the uniformity corrections are still valid for the system. The Daily Quality Control process is subdivided into the following steps: Restarting the Computers Positioning of the Phantom Performing the CT Checkup Performing the CT Quality Performing the PET Quality Check Evaluation of the Results Clearing and Archiving Daily Quality Control The Daily Quality Control process is subdivided into the following steps: Restarting the Computers Positioning of the Phantom Performing the CT Checkup Performing the CT Quality Check Performing the PET Quality Check Evaluation of the results Clearing and archiving The next few slides will go into more detail of the daily quality control steps. ? Restarting the Computers The first step in daily maintenance is to restart the system computers. With this procedure, you ensure that computer connectivity is re-established. 1 2 3 Exit all examinations and applications and ensure that the PET and CT gantries are powered on From the syngo Acquisition Workplace menu, select System > End from the main menu The End Session window will open, select Restart System and confirm the restart by clicking Yes The system is ready when the disk icons shows space remaining in the lower right corner of the syngo MI Acquisition Workplace You may now proceed with the Biograph daily quality control procedures Restarting the Computers The first step in daily maintenance is to restart the system computers. With this procedure, you ensure that computer connectivity is re-established. First, exit all examinations and applications and ensure that the PET and CT gantries are powered on. The next step is to go to the syngo MI Acquisition Workplace and select System in the upper left area of the window. To open the End Session Window, select End. After selecting Restart System in the End Session Window, click Yes to confirm the restart. The system is ready when the disk icons appear in the lower right corner of the syngo MI Acquisition Workplace and show space remaining on each. You may now proceed with the Biograph daily control procedures. ? Phantoms & Sources To perform QC on your Biograph scanner, you have to use phantoms and sources for the daily and weekly PET setup. For all Biograph systems, regardless of the configuration, phantoms are required for the quarterly PET quality control procedures. These phantoms or sources contain Germanium-68 which has a long half-life. Select the tab arrows to learn more about the phantoms and sources that are used in your quality control procedures. Germanium-68 3D Uniform Phantom Germanium-68 Rod Sources CT Quality Assurance Phantom Phantoms & Sources Phantoms and Sources Layer: To perform Quality Control on your Biograph scanner, you have to use phantoms and sources for the daily and weekly PET setup. For all Biograph systems, regardless of the configuration, phantoms are required for the quarterly PET quality control procedures. These phantoms or sources contain Germanium-68 which has a long half-life. Select the tab arrows to learn more about the radioactive phantoms and sources that are used. Germanium Phantom Layer: The Germanium-68 3D uniform phantom used with the Biograph Vision Quadra is a sealed cylindrical source, 21cm in diameter x 30cm long with up to 3.0 millicuries of activity. The half-life of this source is 270.8 days. It is used for system acceptance testing to obtain sensitivity and image uniformity, for performing PET detector normalization, setup, and time alignment, as well as for test scans. Germanium Sources Layer: The PET Twin Rod Phantom is used to perform Field of View offset calibration. It contains two Germanium-68 rod sources. Each rod source is about 8 inches in length and approximately 1 to 1.5 millicuries of activity. CT QA Phantom Layer: The CT Quality Assurance Phantom is used to perform the daily CT Quality Check. It is a non-radioactive source that contains water and wire. CT Quality Assurance Phantom Features: Non-radioactive Contains water and wire Function: Used to perform Daily CT Quality Check Germanium-68 Rod Sources The PET Twin Rod Phantom is used to perform Field of View (FoV) offset calibration. The phantom requires 2 PET Setup Rods, LS-LA. Each source: 8 in long 1-1.5 mCi of activity Germanium-68 3D Uniform Phantom Features: Sealed cylindrical source 21 cm in diameter 30 cm long Up to 3.0 mCi activity Half-life 270.8 days Function: System acceptance testing PET detector normalization Setup Time alignment Test scans ? CT Checkup After you have completed the restart of the computers, the CT Checkup window will appear on the syngo MI Acquisition Workplace. Perform CT Checkup to warm up the tube and calibrate the system. This will ensure optimum CT image quality. Make sure the Patient Handling System or PHS is retracted Click the Checkup button in the Window Press the START Button on the Control Box when prompted The checkup procedure will start and when successfully completed the system displays “Automatic Checkup Completed” and the dialog will automatically close. CT Checkup After you have completed the restart of the computers, the CT Checkup window will appear on the syngo MI Acquisition Workplace. Perform CT Checkup to warm up the tube and calibrate the system. This will ensure optimum CT image quality. ? CT Quality Check The CT Quality Check is a procedure that is performed on a daily basis to calibrate the CT system. It calibrates the CT value of water in Hounsfield units and measures image pixel noise and tube voltages. The use of the CT Quality Assurance phantom is required for this procedure. Select the numbered steps below to learn more about the CT Quality Check. 1 1 1 2 2 2 3 3 3 CT Quality Check Main Layer: The CT Quality Check is a procedure that is performed on a daily basis to calibrate the CT system. It calibrates the CT value of water in Hounsfield units and measures image pixel noise and tube voltages. The use of the CT Quality Assurance phantom is required for this procedure. Select the numbered steps below to learn more about the CT Quality Check. Positioning the Phantom Layer: To position CT Quality Assurance phantom, raise the table to your predefined height for QC. Next, remove the patient head holder if it is attached to the table. Slide the L-shaped phantom bracket into the receptacle at the end of the pallet and screw the bracket down tight. Then attach the QA phantom securely to the phantom bracket. Turn the laser light marker on. Move the table forward until the etchings on the QA phantom are aligned with the inner lasers. This may require some height adjustment. CT QC Step 1 Layer: After the phantom is positioned select Setup from the menu bar and click Quality. The Quality Daily dialog screen appears. Click the OK button to initiate the scan. The system will select the Quality Assurance patient, and positions the table such that the water phantom is in the scan plane. CT QC Step 2 Layer: You will then be prompted to press the Start button on the Control Box. The position of the phantom set is checked and displayed. The first measurement is then started automatically. After the first measurement, a CT image of the water phantom is displayed in the active segment. The second measurement is started automatically and an image is displayed with evaluations for ROI, mean value of CT value, and standard deviation. Each of these measurements is repeated automatically for each tube voltage. All of the images are stored temporarily in the Quality Assurance Patient and in the Report files. Click OK to terminate. Performing CT Quality Check 3 You will then be prompted to press the Start button on the Control Box The position of the phantom set is checked and displayed. The first measurement is then started automatically. After the first measurement, a CT image of the water phantom is displayed in the active segment. The second measurement is started automatically and an image is displayed with evaluations for ROI, mean value of CT value, and standard deviation. Each of these measurements is repeated automatically for each tube voltage. All of the images are stored temporarily in the Quality Assurance Patient and in the Report files. Click OK to terminate Performing CT Quality Check After the phantom is positioned select the Setup drop-down menu from the menu bar, then select Quality 2 When the Quality Daily Check dialog screen appears, select OK to initiate the scan Positioning the Phantom Raise table to QC height Remove the patient head holder, if attached Slide the L-shaped phantom bracket into the receptacle at the end of the pallet and screw the bracket down tight Attach the QA phantom to the phantom bracket Turn the laser light marker on Move the table forward to align with inner laser. The etchings on the QA phantom should be aligned with the inner laser When the phantom is completely aligned, run the quality test 1 Water Phantom Reference Marking Wire and Ball Phantom Slice Thickness Phantom Phantom Holder Bracket Lorem Patient Table ? PET Quality Check The PET Quality Check is a maintenance procedure performed daily prior to scanning patients to normalize variations in PET detector responses. The results produced determine the readiness of the system for scanning or whether service is needed. The procedure includes: Daily normalization based on a phantom scan Computation and verification of the PET calibration factor or ECF Normalization result System quality report Manual or automatic selection for performing quality control procedures Partial PET detector setup or full PET detector setup with Time Alignment Select the numbered steps below to learn more about the PET Quality Check. 1 1 1 2 2 2 3 3 3 4 4 4 5 5 5 PET Quality Check Main Layer: The PET Quality Check is a maintenance procedure performed daily prior to scanning patients to normalize variations in PET detector responses. The results produced determine the readiness of the system for scanning or whether service is needed. The procedure includes a daily normalization based on a phantom scan, computation and verification of the PET calibration factor or ECF, normalization results, system quality report, manual or automatic selection for performing quality control procedures, and partial PET detector setup or full PET detector setup with Time Alignment. Select the numbered steps below to learn more about the PET Quality Check. Positioning the Phantom Layer: To position the Uniform Phantom for the daily PET Quality Check, first remove the patient head holder if it is attached to the patient table. Next, slide the carbon fiber holder for the PET phantom into the PHS. Lastly, slide the PET uniform phantom into the phantom adapter. The phantom will auto-position itself into the gantry automatically when PET QC is started. PET QC – Automatic Layer: Auto QC with Phantom offers an automized, traditional approach to QC. For Auto QC with Phantom, enter your phantom information in the Phantom tab of the PET QC Configuration window. Here you have the option to enter a Cross-Calibration factor to correct the normalization phantom dose. The default value is 1.0. To configure automatic QC, Select Options and select Configuration from the main menu. Click on PET QC Configuration in the Configuration window. Select the Auto QC with Phantom radiobox in the Automatic QC tab. Select which days of the week you prefer the system to perform these automatic quality checks. Enter the start time in the Auto QC Start field. ​ The Auto QC End field automatically populates. PET QC – Manual Layer: To manually run the PET Quality Check each day select PET Quality Check from the main menu to display the PET Quality Check window. You can now select start or if you wish, you can perform the PET Quality check to include partial setup, full setup, Time alignment is not selectable. It is automatically checked with a partial or full setup. You should perform the Partial Setup weekly for optimal PET performance. If Partial Setup has not been performed within seven days, the system will automatically perform partial setup during the next PET Quality Check. If Full Setup has not been performed in the last 90 days, it will automatically run whether or not it is selected in the PET Quality Check window. PET QC Results Layer: When the PET Quality Check procedure is complete, the results display in the PET Quality Check Results window. You can select the following options to view the results of your PET Quality Check. View/Print Report - Allows you to view and print the System Quality Report, which contains the detailed results of the PET Quality Check. ECF (View)Trend - Click to display the ECF trend graph. Plane Efficiency - Click to display the plane efficiency profile. View/Print Report Layer: The System Quality Report contains detailed results of the PET Quality Check. The report is displayed in a web browser. Select View/Print Report button to print the report. The System Quality Report is automatically saved in a file, every time the PET Quality Check procedure is run. PET QC Results: View/Print Report Report is displayed in a web browser Select the View/Print Report button to print the report The system automatically generates and saves a PDF of the System Quality Report in H:\SiteData\DailyQC every time the system runs a PET Quality Check procedure 5 PET Quality Check Results When the PET QC procedure is complete, the results display in the PET Quality Check Results window. You can select the following options to view the results of your PET Quality Check: View/Print Report – allows you to view and print the System Quality Report, which contains the detailed results of the PET Quality Check ECF (View) Trend – Click to display the ECF trend graph Plane Efficiency – Click to display the plane efficiency profile 4 Manual PET Quality Check 3 Select Setup > PET Quality Check from the main menu to display the PET Quality Check window Select Start to commence PET QC – or – if you wish to perform PET QC with a partial or full setup Under the Configure tab, select one of the following options from the PET Quality Check window Partial Setup – performs quality check, normalization, partial detector setup, and time alignment Full Setup – performs quality check, normalization, partial detector setup, and time alignment Select Start Automatic PET Quality Check You can configure your system to automatically perform the PET QC using Auto QC with Phantom. 2 To configure automatic QC: Select Options > Configuration from the main menu Select PET QC Configuration in the Configuration window Select the Auto QC with Phantom radiobox in the Automatic QC tab Select which days of the week you prefer the system to perform these automatic quality checks Enter the start time in the Auto QC Start field, the Auto QC End field automatically populates Note: The Auto QC end time is listed as if it were a full set-up even if that’s not what was configured. Positioning the Phantom Alignment Procedure: Remove the patient head holder, if attached Slide the carbon fiber phantom holder into the receptacle at the end of the pallet nearest the gantry (the same receptacle used for the head holder), and screw the bracket down tight Slide the PET uniform phantom into the phantom adaptor The phantom will auto-position itself into the gantry automatically when PET QC is started 1 ? Clearing Process and Archiving Patient Data To avoid the potential degradation of the overall system performance, the clearing process must be performed continuously. The clearing process is subdivided into two parts: Clearing the Scheduler Clearing the Network, Local & Film Queues It is important that you routinely monitor the disk space available on the system computers and remove any unneeded patient data on a daily basis. Select the tab arrows to learn more about the clearing process that is used in your quality control procedures. Clearing the Scheduler Clearing the Network, Local & Film Queues Clearing Process and Archiving Patient Data Main Layer: To avoid the potential degradation of the overall system performance, the clearing process must be performed continuously. The clearing process is subdivided into two parts: Clearing the Scheduler and Clearing the Network, Local & Film Queues. It is important that you routinely monitor the disk space available on the system computers and remove any unneeded patient data on a daily basis. Clear Scheduler Layer: When the scheduler contains too many completed or idle jobs, the overall system performance may be degraded. To avoid this situation, you should clear the Scheduler at the end of each workday. This procedure is especially important if you are using a HIS/RIS system for scheduling. To clear the Scheduler, access the Patient Browser and click on the Scheduler icon. Select Edit and Clear Schedule to clear the Scheduler. Clear Queues Layer: When the system queues contain too many completed and failed jobs, overall system performance can be degraded. To avoid this situation, you should clear all queues of completed and failed jobs daily. To clear the network queue first access the Patient Browser. Next, select Transfer, then Network Job Status. Lastly, click Clear to clear all jobs. To clear the local queue, first access the Patient Browser. Next, select Transfer and select Local Job Status. Lastly, click Clear to clear all jobs. To clear film queues, first select Patient > Film Task Status in any syngo task card. Another way is to click the Film Status Icon button in the Filming task card or Film Preview window. Click CLEAR to clear all jobs. Clearing the Network, Local and Film Queues When the system queues contain too many completed and failed jobs, overall system performance can be degraded. To avoid this situation, you should clear all queues of completed and failed jobs daily. Clear Network Queues Select Patient to access the Patient Browser Select Transfer Click on Network Job Status Click Clear to clear all jobs Clear Local Queues Select Patient > Browser to access the Patient Browser Select Transfer Click on Local Job Status Click Clear to clear all jobs Clear Film Queues Select Patient > Film Task Status in any task card or in the Patient Browser (Patient > Browser) – or – Click the Film Task Status button in the Filming task card or in the Film Preview window Click Clear to clear all jobs Clearing the Scheduler When the scheduler contains too many completed or idle jobs, the overall system performance may be degraded. To avoid this situation, you should clear the Scheduler at the end of each workday. This procedure is especially important if you are using a HIS/RIS system for scheduling. To clear the Scheduler, access the Patient Browser Click on the Scheduler icon Select Edit > Clear Scheduler ? Additional Maintenance Procedures In addition to the daily maintenance procedures for your Biograph, there are some other system maintenance procedures that you can perform to keep your system running optimally and keep your quantifications accurate. Select the tab arrows to learn more about the additional maintenance procedures. Scanner Cross-Calibration System Cleanup & Shutdown Additional Maintenance Procedures In addition to the daily maintenance procedures for your Biograph, there are some additional system maintenance procedures that you can perform to keep your system running optimally and keep your quantifications accurate. The additional system maintenance contains the following processes: Scanner Cross-Calibration and System Cleanup and Shutdown. Scanner Cross-Calibration Layer: The scanner cross-calibration procedure is performed to cross-calibrate the scanner to the dose calibrator that is used in the department. This procedure is recommended to make your quantification more accurate. You should perform the scanner cross-calibration when the scanner is installed, when you get a new dose calibrator or when the Germanium-68 PET phantoms are replaced. The procedure is divided into three parts. System Cleanup & Shutdown Layer: It is recommended that you run the System Cleanup and Shutdown tool to check and defragment the syngo Acquisition Workplace hard disks once a week. System performance may be decreased if the disks are not regularly defragmented. This procedure can take up to 2-3 hours to complete, so it’s recommended to be done in the evening upon leaving your department. To perform this procedure, first exit all examinations and applications and remove all media from the drive of the syngo Acquisition. On the syngo MI Acquisition Workplace console, select System and click on Run. Select System Cleanup and Shutdown. A System Cleanup and Shutdown window is displayed. Click START to begin the cleanup and shutdown. When the cleanup is complete, the CT scanner, syngo Acquisition Workplace, IRS, and MARS will shut down. Note: You have the option to select “Restart after Shutdown” which restarts the system automatically after the Cleanup and Shutdown. System Cleanup & Shutdown System Cleanup & Shutdown: Checks and defragments the syngo Acquisition Workplace hard disks Should be performed once a week ​Can take up to 2-3 hours to complete Exit all examinations and applications Remove all media from the drives Shut down the syngo MI Acquisition Workplace Select System > Run > System Cleanup and Shutdown Click Start on System Cleanup Window When complete, the CT Scanner, syngo Acquisition Workplace, IRS, and MARS will shut down You have the option to select “Restart after Shutdown” which restarts the system automatically after the Cleanup and Shutdown. Scanner Cross-Calibration Cross-calibrate the scanner to the dose calibrator to increase accuracy of Quantification. Perform Calibration: At scanner installation New dose calibrator installation ​Replacement of Ge68 PET phantoms ​Procedure: Run the PET Quality Check with Partial Setup Calculate the Cross-Calibration Correction Factor (CCCF) using a water phantom filled with a known amount of F18 and the Biograph PET•CT Cross-Calibration Worksheet Normalize and calibrate the scanner to verify a successful cross-calibration of the scanner to the dose calibrator ? Course Review Congratulations. You have completed the Biograph Vision Quadra™ Quality Control Online Training course. Select the numbered buttons below to review the material before proceeding to the final assessment. Identify the sources and phantoms used in QC Explain the PET and CT Daily Quality Control (QC) 1 1 1 3 3 3 2 2 2 4 4 4 Perform CT daily system maintenance procedures Perform the additional maintenance procedures when necessary Course Review Perform the additional maintenance procedures when necessary Scanner Cross-Calibration System Cleanup & Shutdown Perform CT daily system maintenance procedures Restarting the Computers Positioning of the Phantom CT Checkup: Perform CT Checkup to warm up the tube and calibrate the system. This will ensure optimum CT image quality Identify the sources and phantoms used in QC To perform Quality Control on your Biograph Scanner you have to use phantoms and sources. A phantom is only required for quarterly quality control measures These phantoms or sources contain Germanium-68 which has a long half-life ​Germanium-68 3D Uniform Phantom Germanium-68 Rod Sources CT Quality Assurance Phantom Explain the PET and CT Daily Quality Control PET Quality Check: Daily normalization based on a phantom scan Computation and verification of the PET calibration factor or ECF Normalization results System Quality report Manual or automatic selection for performing quality control procedures Partial PET detector setup or full PET detector setup with Time Alignment CT Quality Check: The CT Quality Check is a procedure that is performed on a daily basis to calibrate the CT system It calibrates the CT value of water in Hounsfield units and measures image pixel noise and tube voltages The use of the CT Quality Assurance phantom is required for this procedure Disclaimer 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 Manual shall be used as your main reference, in particular for relevant safety information like warnings and cautions. Please 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. © Siemens Healthcare GmbH 2021 Siemens Healthineers Headquarters\Siemens Healthcare GmbH\Henkestr. 127\ 91052 Erlangen, Germany\Telephone: +49 9131 84-0\siemens-healthineers.com ? Disclaimer Assessment This assessment will test your retention of the presented content. A passing score of 80% or higher is required to complete the course and earn your certificate. You may repeat the assessment as many times as needed. Start ? Assessment Select the best answer. ? Question 1 of 5 What procedure warms up the CT tube and performs calibrations? Calibration Checkup Quality Check Cleanup Multiple Choice Incorrect Incorrect Incorrect Incorrect Select the best answer. ? Question 2 of 5 How often should the PET Quality Check be performed? Daily Weekly Monthly As Needed Multiple Choice Incorrect Incorrect Incorrect Incorrect Select the best answer. ? Question 3 of 5 How often should patient data be archived? Daily Before scanning every patient Twice a day, morning and afternoon Weekly Multiple Choice Incorrect Incorrect Incorrect Incorrect Select the best answer. ? Question 4 of 5 Not clearing the network, local, and film queues can result in ____________. Inability to scan patients Complete system shutdown Improved system performance Degraded system performance Multiple Choice Correct Incorrect Incorrect Incorrect Select the best answer. ? Question 5 of 5 The Scanner Cross Calibration procedure cross calibrates the ____________ to the scanner. Dose Calibrator Survey meter Clock Phantom Multiple Choice Incorrect Incorrect Incorrect Incorrect Assessment Results YOUR SCORE: PASSING SCORE: Review Retry Retry Continue Continue Continue %Results.ScorePercent%% %Results.PassPercent%% ? Assessment Results You did not pass the course. Take time to review the assessment then select Retry to continue. Congratulations. You passed the course.. Exit To access your Certificate of Completion, select the Launch button drop down on the course overview page. You can also access the certificate from your PEPconnect transcript. ? You have completed the Biograph Vision Quadra™ Quality Control Online Training. Completion Navigation Help Select the icon above to open the table of contents. Click Next to continue. Next Welcome Slide The timeline displays the slide progression. Slide the orange bar backwards to rewind the timeline. Click Next to continue. Next Timeline Select the CC icon to display closed captioning (subtitles). Click Next to continue. Next Caption Icon add subtitles Select the buttons to learn more about a topic. Be sure to review all topics before navigating to the next slide. Click Next to continue. Next Tab Arrow Slide Select the X to close the pop-up. Click Next to continue. Next Layer Slide Select Submit to record your response. Click the X in the upper right corner to exit the navigation help. Assessment Slide Question Bank 1 HOOD05162003219736 | Effective Date: 22-Sep-2021 1.1 Welcome 1.2 PET Quality Assurance Overview 1.3 Daily Quality Control 1.4 Restarting the Computers 1.5 Phantoms & Sources 1.6 CT Checkup 1.7 CT Quality Check 1.8 PET Quality Check 1.9 Clearing Process and Archiving Patient Data 1.10 Additional Maintenance Procedures 1.11 Course Review 1.12 Disclaimer 1.13 Assessment 1.20 Completion