GE Logiq P5 User Manual
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Vascular Measurements LOGIQ 5 Basic User Manual 11-31 Direction 2300002-100 Rev. 2 Manual Vascular Calculation For each vessel in Doppler mode, you can make any of the following measurements: • Peak Systole (PS) • End Diastole (ED) • Mid Diastole (MD) • Heart Rate • TAMAX • Pulsatility Index (PI) • Resistive Index (RI) • S/D Ratio • D/S Ratio • Acceleration (Accel) • Acceleration Time (AT)
Vascular 11-32 LOGIQ 5 Basic User Manual Direction 2300002-100 Rev. 2 To select vascular measurements Your system is set up to show the measurements that you usually make for each vessel. To make a measurement that is not shown for the selected vessel: 1. Select the folder for the vessel you want to measure. 2. Select Show All. See Figure 11-12. The system displays all possible vessel measurements. See Figure 11-13. 3. Select the desired measurement. Figure 11-12. ECA folder
Vascular Measurements LOGIQ 5 Basic User Manual 11-33 Direction 2300002-100 Rev. 2 To select vascular measurements (continued) Figure 11-13. Show All measurements NOTE: The following instructions assume that you first scan the patient and then press Freeze.
Vascular 11-34 LOGIQ 5 Basic User Manual Direction 2300002-100 Rev. 2 Vascular Worksheet The vascular worksheet is structured to automatically display vascular measurements made at specific anatomical sites. The worksheet can also display an average, last, maximum, or minimum value of the latest three measurements. Calculated ratios are automatically summarized and displayed. To view the Vascular Worksheet 1. Press Measure. 2. Select Worksheet Display. The system displays the worksheet. Figure 11-14. Vascular Worksheet Example
Vascular Worksheet LOGIQ 5 Basic User Manual 11-35 Direction 2300002-100 Rev. 2 To view the Vascular Worksheet (continued) Only measured parameters are displayed. Location information is labeled with vessel name first. Measured parameters of the vessel are grouped under the vessel label. Selected value by method is highlighted, however, when the average method is selected, the highlighted cursor is removed. When an entire vessel measurement does not have sides (left or right), the side label is not displayed in that vessel study worksheet. HINTSSome fields on the worksheet are view only, and others you can change or select. To easily see which fields you can change or select, move the Trackball. As the cursor moves over a field that you can change or select, the field is highlighted.
Vascular 11-36 LOGIQ 5 Basic User Manual Direction 2300002-100 Rev. 2 Worksheet Display Touch Panel Figure 11-15. Worksheet Display Touch Panel 1. Worksheet Display: To exit the worksheet display and return to scanning. 2. Vessel Worksheet: Select this key to display the Vessel Worksheet when the Vessel Summary is displayed. 3. Vessel Summary: Select this key to display the Vessel Summary when the Vessel Worksheet is displayed. 4. Examiner’s Comment: Select this key to display the Examiner’s comment window. See ‘Examiner’s Comments’ for more information. 5. Generic Worksheet: Select this key to display the Generic Worksheet. Generic study measurements/calculations, such as volume and velocity, are displayed on this worksheet. 6. Delete Value: Use to delete a value (each measurement value). See ‘To edit a worksheet’ for more information. 7. Exclude Value: Use to exclude a value from the result line. See ‘To edit a worksheet’ for more information. 8. Intravessel Ratio: Select this key to display the Intravessel Ratio Calculation window. See ‘Intravessel ratio’ for more information. 9. Page Change (knob): If a worksheet has more data, to view the next page, adjust the Page Change knob.
Vascular Worksheet LOGIQ 5 Basic User Manual 11-37 Direction 2300002-100 Rev. 2 To edit a worksheet To change data on a worksheet: 1. Select Worksheet Display from any page of the Vascular Calculation Touch Panel Menu. 2. To position the cursor at the field you want to change, move the Trackball. The field is highlighted. 3. Press Set. NOTE: The resultant value is not editable. 4. Type the new data in the field and move the cursor to another place, then the new data is displayed in blue and asterisk are appended to value and resultant value to indicate that it was manual entered. The average measurements, calculations and ratios are automatically updated to reflect the edited values. Figure 11-16. Display of the edited value NOTE: If the user move the cursor to the edited value and press Set key once, the value is back again before edit.
Vascular 11-38 LOGIQ 5 Basic User Manual Direction 2300002-100 Rev. 2 To edit a worksheet (continued) To delete data: Delete Value key is used to delete value (each measured value). Whenever particular value is deleted, the group (set) of the measurement/study value is also deleted from the worksheet as a group (set). When PS value is deleted, ED and RI is also deleted if this value was measured as the set of RI measurement. 1. Select Worksheet from any page of the Vascular Calculation Touch Panel Menu. 2. To position the cursor at the field you want to delete or exclude, move the Trackball. The field is highlighted. 3. Select Delete Value. For Example: 1. If the user measured RI 4 times, however, latest 3 set of measurements were displayed in the worksheet. 1. Then, the user deleted PS value of #3 from the worksheet. 2. The whole set of #3 measurements is deleted from the worksheet and #1 set of measurements is shifted and displayed as below. Result Number #2 #3 #4 PS 0.500 0.600 0.700 ED 0.100 0.200 0.300 RI 0.800 0.667 0.571 Result Number #1 #2 #4 PS 0.400 0.500 0.700 ED 0.000 0.100 0.300 RI 1.000 0.800 0.571
Vascular Worksheet LOGIQ 5 Basic User Manual 11-39 Direction 2300002-100 Rev. 2 To edit a worksheet (continued) To exclude data: When the user selects a particular value on the Worksheet and select Exclude Value, this value is excluded from result line and resultant value is re-calculated without this value and also calculation values using this value is ‘blank’. 1. Select Worksheet Display from any page of the Vascular Calculation Touch Panel Menu. 2. To position the cursor at the field you want to delete or exclude, move the Trackball. The field is highlighted. 3. Select Exclude Value. 4. The data in the field is not visible and is not included in worksheet calculations as below. 5. To include a value that you previously excluded, select Exclude Value. Figure 11-17. Display of the excluded value
Vascular 11-40 LOGIQ 5 Basic User Manual Direction 2300002-100 Rev. 2 To edit a worksheet (continued) To select the method: The user can select the method for calculating the cumulative value. This value is only calculated by using displaying values. If the user takes parameters more than 3 times, latest 3 values are used for this calculation. 1. Move cursor to method column and press Set. 2. The pull-down menu is displayed. Move to cursor any one of methods and press Set. The selected method is displayed in the column. Figure 11-18. Pop-up menu of methods