Table of Contents
The Data-based 12-lead Diagnostic ECG Toolbar
This page describes the controls available when viewing 12-lead Diagnostic ECGs.
The toolbar for these ECGs is shown in Figure 1:
Caliper Controls
The following toolbar buttons toggle the activation of the calipers in the ECG display.
The Time Caliper Button
The 
button toggles the time caliper control activation in the ECG display.
When the time caliper is active, the button changes to an activated state 
The Voltage Caliper Button
The 
button toggles the voltage caliper control activation in the ECG display.
When the voltage caliper is active, the button changes to an activated state 
Information Controls
The following toolbar buttons control the display of patient and ECG information.
The Patient Info Button
The 
button displays patient demographics (age, sex, height, and weight) and clinical history in a popup window if this information is available for the ECG. Use your best clinical judgment when viewing this data as with actual clinical recordings. For example, if the patient's height is 17 inches for a 56-year-old patient, the height measurement was probably transposed from 71 inches. The button will be disabled if demographics and clinical history are not available.
If patient information is not available for the sample, the button will be disabled and appear as follows: 
.
The ECG Info Button
The 
button displays data about the ECG, including Ventricular Rate, PR interval, QRS width, and more. These data, if available, are automatically extracted from the ECG and are not guaranteed to be verified. Use your best clinical judgment when viewing this data, as with actual clinical recordings. This button is only available on the Results page.
If ECG information is not available for the sample, the button will be disabled and appear as follows: 
.
ECG Display Controls
The following toolbar buttons modify the ECG display.
Adjusting the Page Size
The 
contains buttons to adjust the vertical size of the ECG display.
The individual buttons are as follows:
- Decrease the vertical ECG page size.
- Reset the vertical ECG page size to the original size.
- Increase the vertical ECG page size.
If the vertical page size is changed from the default size, simply click on the to reset it to the default page size.
Notice
The ECG Page Size Toolbar is disabled when annotations are visible and appears as follows: 
.
Adjusting the ECG Zoom
The 
contains buttons to adjust the zoom factor of the ECG.
The individual controls are as follows:
- Decrease the ECG zoom.
- Reset the ECG zoom to the original zoom. - Increase the ECG zoom.
If the ECG zoom is changed from the default amplitude, simply click on the to reset it to the default zoom.
Adjusting the ECG Lead Spacing
The 
contains buttons to adjust the spacing of the ECG leads.
The individual controls are as follows:
- Decrease the ECG amplitude.
- Reset the ECG amplitude to the original amplitude. - Increase the ECG amplitude.
If the ECG amplitude is changed from the default amplitude, simply click on the to reset it to the default amplitude.
Notice
The ECG Lead Spacing Toolbar is disabled when annotations are visible and appears as follows: 
.
Notice
The ECG Lead Spacing controls are disabled for single-lead samples and will appear as follows: .
Help Controls
The following toolbar buttons control the display of help information.
The Tour Button
The Tour Button provides additional help on the individual controls on the page via popup windows attached to the individual controls on the page. To view the user interface tour, select 
from the toolbar and then use the controls in the popups that appear to run through the tour.
The Help Button
The Help Button displays this User Manual page in a popup window. To view this help in a popup window, select 
from the toolbar.