Patient & Catheter Setup, Model And Fusion.

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| By Guruprasanth Muthu
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Guruprasanth Muthu
Community Contributor
Quizzes Created: 1 | Total Attempts: 153
| Attempts: 153
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  • 1/30 Questions

    What is / are the different ways of adding catheters to a study ?

    • Loading a catheter preset
    • Loading a template which has all the presets saved with it.
    • Loading a template which has only the catheter preset saved with it.
    • Loading a template which has model, mapping, automark and data export preset saved with it.
    • Manually defining a catheter / Adding from a catalog.
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About This Quiz


Total number of Questions: 30
Difficulty Level:
Easy - 15
Medium - 10
Hard - 5

Time Duration: 45 minutes.
Passing Score: 60 % (Unlikely to change, since all questions carry equal grading with partial grades for partial correct answers).
Instructions on a lighter note:
1. Don't waste time trying to find the answers in the Powerpoint presentation. You won't find it :)
2. Feel free to use the application you may need it and wise usage of application will help to answer almost all the questions.
3. People who know the answers, please don't help others. Let them try to answer themselves.

Good Luck !

Patient & Catheter Setup, Model And Fusion. - Quiz

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  • 2. 

    In Model Workflow - Model Edit Mode with multiple surfaces in the Surface List and one selected what are the actions can be performed ?

    • Edit Surface Names, Color, Detail Type, Fill Value for a selected surface.

    • Change the Surface Color, Grid and Visibility of a surface which is not selected.

    • Include / Uninclude all the surfaces present in the Surfaces List.

    • Delete existing model points of the selected surface. 

    • Finish the Model.

    Correct Answer(s)
    A. Edit Surface Names, Color, Detail Type, Fill Value for a selected surface.
    A. Change the Surface Color, Grid and Visibility of a surface which is not selected.
    A. Include / Uninclude all the surfaces present in the Surfaces List.
    A. Delete existing model points of the selected surface. 
    A. Finish the Model.
    Explanation
    In Model Workflow - Model Edit Mode with multiple surfaces in the Surface List and one selected, the user can perform various actions. They can edit the surface names, color, detail type, and fill value for the selected surface. Additionally, they can also change the surface color, grid, and visibility of a surface that is not selected. The user has the option to include or uninclude all the surfaces present in the Surface List. Furthermore, they can delete existing model points of the selected surface. Lastly, the user can finish the model.

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  • 3. 

    Which of the following conditions leads to an unsuccessful study resume. 

    • While trying to resume the study with a segment paused at the location where there is no valid location data.

    • When the Amplifier is not connected to the study while resuming the study.

    • When the version of the Amplifier connected while study resume matches with the previously connected one.

    • While trying to resume the study with a segment paused at the location where there is valid location data.

    Correct Answer(s)
    A. While trying to resume the study with a segment paused at the location where there is no valid location data.
    A. When the Amplifier is not connected to the study while resuming the study.
    Explanation
    An unsuccessful study resume can occur when trying to resume the study with a segment paused at a location where there is no valid location data. Additionally, it can also happen when the Amplifier is not connected to the study while resuming.

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  • 4. 

    Identify the CORRECT statement (s). 

    • DIF stands for Digital Image Fusion.

    • DIF files can be loaded in all the five workflows (Setup, Model, Mapping, Therapy & Review).

    • Loaded DIF file can be deleted during realtime study.

    • DIF model can be fused only with the field scaled EnSite model.

    • DIF model can be loaded only in realtime study.

    • DIF model always contain only one surface in it.

    Correct Answer(s)
    A. DIF stands for Digital Image Fusion.
    A. DIF files can be loaded in all the five workflows (Setup, Model, Mapping, Therapy & Review).
    Explanation
    The explanation for the correct answer is that DIF stands for Digital Image Fusion, which is a technique used to combine multiple images into a single image. DIF files can be loaded in all the five workflows (Setup, Model, Mapping, Therapy & Review), which means that they can be used throughout the entire process of the study. This allows for seamless integration of the DIF files into the various stages of the study.

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  • 5. 

    Identify the correct statement(s) related to Field Scaling.

    • Field Scaling can be computed only once in a study.

    • Field Scaling can be computed only in a realtime study.

    • Unincluding all the surfaces in the Surfaces List unapplies the Field Scaling.

    • Field Scaling are of two types NavX & Magnetic (NavX SE / MediGuide depending on the study)

    • Automatic Field Scaling can be enabled / disabled only for a Magnetic (NavX SE / MediGuide) study.

    • Field Scaling can fail when there are no enough model points and magnetic fiducials (in NavX SE & MediGuide study) are collected.

    Correct Answer(s)
    A. Unincluding all the surfaces in the Surfaces List unapplies the Field Scaling.
    A. Field Scaling are of two types NavX & Magnetic (NavX SE / MediGuide depending on the study)
    A. Field Scaling can fail when there are no enough model points and magnetic fiducials (in NavX SE & MediGuide study) are collected.
    Explanation
    The correct statements related to Field Scaling are: Unincluding all the surfaces in the Surfaces List unapplies the Field Scaling. Field Scaling are of two types NavX & Magnetic (NavX SE / MediGuide depending on the study). Field Scaling can fail when there are no enough model points and magnetic fiducials (in NavX SE & MediGuide study) are collected.

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  • 6. 

    Identify the CORRECT statements relating to *Model Points*.

    • Model points cannot be collected on catheter which has only one electrode.

    • Model points can be collected on a Contact Force catheter when the Total Force is outside the Threshold.

    • While model point collection is in progress for a catheter, it is possible to change the catheter source for model point collection.

    • Model point collection stops when the user collects Respiration Data.

    • Even when there is no valid Magnetic data for Sensor Enabled catheters, Model Points can be still collected with valid impedance data.

    • Each model point collected will have an x, y, z location saved along with the measured voltage at that location of heart tissue.

    Correct Answer(s)
    A. Model points can be collected on a Contact Force catheter when the Total Force is outside the Threshold.
    A. While model point collection is in progress for a catheter, it is possible to change the catheter source for model point collection.
    A. Model point collection stops when the user collects Respiration Data.
    A. Even when there is no valid Magnetic data for Sensor Enabled catheters, Model Points can be still collected with valid impedance data.
    Explanation
    Model points can be collected on a Contact Force catheter when the Total Force is outside the Threshold. While model point collection is in progress for a catheter, it is possible to change the catheter source for model point collection. Model point collection stops when the user collects Respiration Data. Even when there is no valid Magnetic data for Sensor Enabled catheters, Model Points can be still collected with valid impedance data. The statement suggests that model points can be collected on a Contact Force catheter when the total force exceeds the threshold, the catheter source can be changed during model point collection, model point collection stops when respiration data is collected, and model points can still be collected with valid impedance data even if there is no valid magnetic data for Sensor Enabled catheters.

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  • 7. 

    Identify the valid Electrode Spacing value(s) for a 7 electrode catheter

    • 1

    • -2 - 5 - 2

    • 5 -10 -5

    • 1.35 - 2.49 - 1.35

    • 999 - 10 - 999 - 65 - 45 - 65

    Correct Answer(s)
    A. 5 -10 -5
    A. 1.35 - 2.49 - 1.35
    A. 999 - 10 - 999 - 65 - 45 - 65
    Explanation
    The valid Electrode Spacing values for a 7 electrode catheter are 5 -10 -5, 1.35 - 2.49 - 1.35, and 999 - 10 - 999 - 65 - 45 - 65. These values are consistent with the requirement of having 7 electrodes and provide the necessary spacing between them.

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  • 8. 

    Identify the statement(s) which is/are TRUE for an Array Study. 

    • Supports Non-Contact Mapping but not Contact Mapping.

    • Array Study supports Ablation Therapy using Contact Force & Magnetic Sensor Enabled Catheters.

    • Supports both Array and EP Catheters.

    • Sheath Detection feature is not supported in an Array Study.

    • Supports Digital Image Fusion.

    Correct Answer(s)
    A. Supports both Array and EP Catheters.
    A. Sheath Detection feature is not supported in an Array Study.
    Explanation
    The given correct answer states that an Array Study supports both Array and EP Catheters, while the Sheath Detection feature is not supported in an Array Study. This means that an Array Study can be used with both types of catheters, but it does not have the ability to detect the sheath.

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  • 9. 

    A study which was started without entering First Name & Physician details can be ended without entering those information as well. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The study cannot be ended without entering the First Name & Physician details because these are crucial pieces of information that are likely required for documentation and identification purposes. Without these details, the study may lack important information and could potentially be considered incomplete or invalid. Therefore, it is not true that the study can be ended without entering those information.

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  • 10. 

    Measured Electrode Spacing is calculated only when EnSite Model is Field Scaled and it changes with Automatic Field Scaling.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is stating that the Measured Electrode Spacing is only calculated when the EnSite Model is Field Scaled and it changes with Automatic Field Scaling. In other words, the spacing between the electrodes is determined and adjusted based on the scaling of the EnSite Model. Therefore, the answer "True" indicates that the statement is correct.

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  • 11. 

    Among the below different way(s) of filtering the catheters in Catheter Catalog pick the right ones. i. Number  of Uses ii. Manufacturer iii. Type iv. Name v. Electrode Spacing vi. Last 20 Used vii. User Defined  viii. Diameter  

    • I, ii, iii, iv, v, vi, vii is CORRECT and viii is INCORRECT

    • I, ii, iii, iv, v, vi, vii is INCORRECT and viii is CORRECT

    • None of the above is CORRECT

    • All of the above is CORRECT

    Correct Answer
    A. All of the above is CORRECT
    Explanation
    The correct answer is "All of the above is CORRECT". This means that all of the filtering options listed (i, ii, iii, iv, v, vi, vii, and viii) are the correct ways to filter the catheters in the Catheter Catalog.

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  • 12. 

    Identify the observation(s) occur after performing the below sequence of steps:   
    1. Start a study with a catheter of 7 electrodes with 'All Bipole' polarity named 'Cat1'.
    2. Disconnect electrodes 3, 4, & 6 from right click menu of CIM.
    3. Change the Active Electrode to '7'.
    4. Change the Active EnGuide to 'None'.
    5. Change the Active EnGuide to 'Cat1'.
    6. Add a trace -- +4

    • Active Electrode is set to '2' and it is displayed in Green in the Map Display.

    • Active Electrode is set to 'D' and it is displayed in Green in the Map Display.

    • Roving Source Electrode of the Detection Settings is set to 'D'

    • Roving Source Electrode of the Detection Settings is set to 'All'

    • Signals -D +2 , -3 +4 , -5 +6 is present in the Map Display.

    • Signals -D +2 and -- +4 is present in the Map Display.

    Correct Answer(s)
    A. Roving Source Electrode of the Detection Settings is set to 'D'
    A. Signals -D +2 and -- +4 is present in the Map Display.
    Explanation
    After performing the given sequence of steps, the observation(s) that occur are as follows:
    - The Active Electrode is set to '2' and it is displayed in Green in the Map Display.
    - The Active Electrode is set to 'D' and it is displayed in Green in the Map Display.
    - The Roving Source Electrode of the Detection Settings is set to 'D'.
    - The Roving Source Electrode of the Detection Settings is set to 'All'.
    - Signals -D +2 , -3 +4 , -5 +6 are present in the Map Display.
    - Signals -D +2 and -- +4 are present in the Map Display.

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  • 13. 

    While selecting 'Type' from the Catheter Catalog, Diagnostic and Ablation can be chosen simultaneously.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because while selecting 'Type' from the Catheter Catalog, Diagnostic and Ablation cannot be chosen simultaneously. These are two different types of catheters used for different purposes. Diagnostic catheters are used for diagnostic procedures such as mapping and recording electrical signals in the heart, while ablation catheters are used for ablating or destroying abnormal tissue in the heart. Therefore, they cannot be chosen at the same time.

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  • 14. 

    What will be the color of the model created in 'Red' color, after a created map is loaded in it ?

    • Red

    • Off White

    Correct Answer
    A. Off White
    Explanation
    When a map is loaded onto a model that is initially created in 'Red' color, the color of the model will change to 'Off White'.

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  • 15. 

    An Array catheter consists of how many electrodes ?

    • 4

    • 64

    Correct Answer
    A. 64
    Explanation
    An Array catheter consists of 64 electrodes.

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  • 16. 

    EnSite Model created with a bunch (more than one) of surfaces in an Array Study, the app doesn't allow deletion of the first surface.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In an EnSite Model created with a bunch of surfaces in an Array Study, the first surface cannot be deleted. This suggests that the app has a restriction in place that prevents the deletion of the first surface in an Array Study.

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  • 17. 

    What will be the Active Electrode after performing the below sequence of steps:
    1. Start a Study and add 68 electrode basic setup
    2. Delete 'RVA' catheter
    3. Manually add a new catheter named 'Cat1'
    4. Disconnect 2nd & 4th electrode of the HRA catheter.

    • Distal electrode of the catheter 'Cat1'

    • Distal electrode of the HRA catheter

    • Third electrode of the HRA catheter

    • First electrode of the HIS catheter

    Correct Answer
    A. Distal electrode of the HRA catheter
    Explanation
    The active electrode after performing the sequence of steps will be the distal electrode of the HRA catheter. This is because the question states that the 2nd and 4th electrodes of the HRA catheter are disconnected, leaving only the distal electrode as the active electrode.

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  • 18. 

    Pick the correct option as per the statements below: i. A catheter which is added to the study can be deleted anytime (Real-time, Offline) during the study.  ii. User is provided with a confirmation pop-up before deleting a catheter. iii. A manually added catheter can be added to the Catheter Catalog anytime (Real-time, Offline) during the study. iv. A bipolar catheter cannot be changed to be an unipolar catheter anytime (Real-time, Offline) during the study.  v. Signal order of a catheter can be changed anytime (Real-time, Offline) during the study.   

    • I, iii & iv is TRUE

    • Ii, iii & v is TRUE

    • I, iv & v is TRUE

    • I & v is TRUE

    Correct Answer
    A. Ii, iii & v is TRUE
    Explanation
    The statement ii is true because the user is provided with a confirmation pop-up before deleting a catheter. The statement iii is true because a manually added catheter can be added to the Catheter Catalog anytime during the study. The statement v is true because the signal order of a catheter can be changed anytime during the study. Therefore, the correct option is ii, iii & v is TRUE.

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  • 19. 

    How many Electrophysiology catheter electrodes can be visualized using the WorkMate Claris Catheter Input Module along with Genconnect at an instance ?

    • 64

    • 68

    • 124

    • 132

    Correct Answer
    A. 124
    Explanation
    The WorkMate Claris Catheter Input Module along with Genconnect can visualize 124 Electrophysiology catheter electrodes at once.

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  • 20. 

    Fusion Fiducials created can be edited / deleted anytime (Real-time, Review) during the study.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given statement is true because Fusion Fiducials, which are markers used in medical imaging to aid in the alignment of different scans, can indeed be edited or deleted at any time during a study. This flexibility allows for adjustments to be made as needed, ensuring accurate and precise alignment of the scans.

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  • 21. 

    How many surfaces will be present in the study after performing the below sequence of steps.  
    1. Study with 68 electrode basic setup, validate the study. 
    2. Create 3 surfaces from 3 different catheters. 
    3. Finish the Model.
    4. Create 2 more surfaces from 2 different catheters. (Do not finish the model)
    5. Discard the Changes and select Yes for any confirmation
    6. Edit the model, Discard the Changes and select Yes for any confirmation.
    7. Create 2 more surfaces from 2 different catheters. 

    • 3

    • 7

    • 5

    • 2

    Correct Answer
    A. 5
    Explanation
    After performing the given sequence of steps, the number of surfaces present in the study will be 5. This is because initially there is one surface in the basic setup. Then, 3 surfaces are created from 3 different catheters, making the total number of surfaces 4. After finishing the model, 2 more surfaces are created from 2 different catheters, resulting in a total of 6 surfaces. However, when the changes are discarded and confirmed, the number of surfaces is reduced back to 5.

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  • 22. 

    When an EnSite Model created for a Patient of less Weight (For Eg: 20Kg) , the model expands in size after Field Scaling. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When an EnSite Model is created for a patient with less weight, such as 20kg, the model expands in size after field scaling. This means that the model will be larger than the actual size of the patient.

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  • 23. 

    During a model edit mode when the user attempts to Discard the changes and confirms the action, the app does not exit model edit mode and discard the changes alone. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    When the user attempts to discard the changes and confirms the action during a model edit mode, the app actually exits the model edit mode and discards the changes. Therefore, the given statement is false.

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  • 24. 

    What will be the order of signals after performing the below sequence of steps. ? i. Add a 4 electrode catheter with polarity 'All Bipole' ii. Change Signal Oder to 'Proximal to Distal'  iii. Add a Trace " -3 +D "

    • -D +2 , -2 +3 , -3 +D , -3 +4

    • -3 +D , -3 +4 , -2 +3 , -D +2

    • -D +2 , -3 +4 , -3 +D

    • -3 +4 , -D +2 , -3 +D

    • -3 +4 , -2 +3 , -D +2, -3 +D

    Correct Answer
    A. -3 +4 , -2 +3 , -D +2, -3 +D
    Explanation
    The correct answer is -3 +4 , -2 +3 , -D +2, -3 +D. This is the correct order of signals after performing the given sequence of steps. The first step adds a 4 electrode catheter with polarity 'All Bipole'. The second step changes the signal order to 'Proximal to Distal'. The third step adds a trace "-3 +D". Combining these steps, the correct order of signals is -3 +4 , -2 +3 , -D +2, -3 +D.

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  • 25. 

    Pick the best response based on the statements related to the coloring of electrodes at different conditions give below: i. When the distal electrode of a catheter is invalid, all the electrodes of that catheter turn 'RED' and points North.  ii. Electrodes are displayed in 'YELLOW' when they receive data from an unreliable location and when there is Packet patching, drop and delay errors.  iii. Electrodes are always displayed in SILVER when there is/are various hidden error conditions. iv. Active electrode is displayed in GREEN in NavX study and it blinks GREEN in an Array Study. 

    • I, ii. iv is CORRECT & iii is INCORRECT

    • I, ii, iii is CORRECT & iv is INCORRECT

    • Ii, iii, iv is CORRECT & i is INCORRECT

    • I, iii, iv is CORRECT & ii is INCORRECT

    Correct Answer
    A. I, ii. iv is CORRECT & iii is INCORRECT
    Explanation
    The given answer states that statements i, ii, and iv are correct, while statement iii is incorrect. According to statement i, when the distal electrode of a catheter is invalid, all the electrodes of that catheter turn 'RED' and points North. Statement ii states that electrodes are displayed in 'YELLOW' when they receive data from an unreliable location and when there are Packet patching, drop, and delay errors. Statement iv mentions that the active electrode is displayed in GREEN in NavX study and it blinks GREEN in an Array Study. Therefore, based on these statements, the correct answer is i, ii, iv is CORRECT, and iii is INCORRECT.

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  • 26. 

    What will be the total number of catheter signals from a set of three catheters of 1, 6 & 9 electrodes with Paired Bipole, All Unipole & All Bipole polarity.   

    • 15

    • 16

    • 11

    • 12

    Correct Answer
    A. 15
    Explanation
    The total number of catheter signals can be calculated by adding up the number of electrodes for each catheter. The first catheter has 1 electrode, the second catheter has 6 electrodes, and the third catheter has 9 electrodes. Therefore, the total number of catheter signals is 1 + 6 + 9 = 16.

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  • 27. 

    Pick the right response based on the statements below pertaining the functionality of Active EnGuide: i. 'None' is selected by default before validation. ii. First Visible catheter is selected after validation. iii. Any visible/invisible EnGuide can be selected as an Active EnGuide. iv. If an Active EnGuide is hidden or deleted the next visible EnGuide becomes the Active EnGuide. v.If all the electrodes of an Active EnGuide is hidden or disconnected, 'None' is selected as Active EnGuide even if there are many other EnGuides visible.

    • I, ii, iv is FALSE & iii, v is TRUE

    • I, ii, iv is TRUE & iii, v is FALSE

    • Ii, iv, v is FALSE & i, iii is TRUE

    • Ii, iv, v is TRUE & i, iii is FALSE

    • All of the above is TRUE

    • None of the above is TRUE

    Correct Answer
    A. I, ii, iv is TRUE & iii, v is FALSE
    Explanation
    According to the given statements, i, ii, and iv are true, which means that "None" is selected by default before validation, the first visible catheter is selected after validation, and if an active EnGuide is hidden or deleted, the next visible EnGuide becomes the active EnGuide. On the other hand, iii and v are false, which means that any visible/invisible EnGuide cannot be selected as an active EnGuide, and if all the electrodes of an active EnGuide are hidden or disconnected, "None" is not selected as the active EnGuide. Therefore, the correct answer is i, ii, iv is TRUE & iii, v is FALSE.

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  • 28. 

    Measured electrode spacing will not be calculated for the field scaled model created with a catheter of undefined electrode spacing. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is saying that the measured electrode spacing will not be calculated for a field scaled model created with a catheter of undefined electrode spacing. The correct answer is false because the measured electrode spacing can still be calculated even if the catheter used has an undefined electrode spacing.

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  • 29. 

    Only Diagnostic catheters which has at least one electrode defined with valid electrode spacing can be added to the catalog.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is saying that only diagnostic catheters with valid electrode spacing can be added to the catalog. Therefore, the correct answer is False, indicating that this statement is not true. This means that diagnostic catheters without valid electrode spacing can also be added to the catalog.

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  • 30. 

    How many ports are available for a Sensor Enabled catheter added to MediGuide studies ?

    • 4

    • 5

    • 6

    • 9

    Correct Answer
    A. 9
    Explanation
    The correct answer is 9. This suggests that there are 9 ports available for a Sensor Enabled catheter added to MediGuide studies.

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Quiz Review Timeline (Updated): Feb 14, 2024 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Feb 14, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 14, 2018
    Quiz Created by
    Guruprasanth Muthu
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