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Multiple Lead ECG Analysis
Integrated. Flexible. Compliant.
- Flexible processing of DSI Dataquest A.R.T. files
- Automated Beat to Beat Analysis
- Intuitive Data Review and Editing capabilities
- Compatible with Multiple Species
- Data ports directly to MS Excel® or MS Access®
- High Resolution Hard Copy Output
- Used in validated labs for over 15 years
Data Review
Data Review is a powerful post processing tool that grants the user complete flexibility when analyzing ECG data. Powerful features permit analysis and manipulation of the ECG waveforms to be.ACCURATE.AUTOMATED.AND EASY!
The Data Review feature permits the user to MANUALLY modify the AUTOMATED placement of validation marks on segments of waveform data while relying on the analysis software to calculate derived parameters based on the edited validation marks. Data Parser further enhances Review by providing the capability to selectively "cut out" desired sections of data. The desired sections can be based on specific time segments outlined in a study protocol or by events.
- Automatically Analyze Data
- Sort Numerical Data to Find Outliers
- Add, Move or Delete Validation Marks
- Update Derived/Calculated Data Instantly
- “PARSE” out Data at Desired Time Points
- Zoom/Compress Entire Waveform Data
- Add Notes, Events, jump through data and more
- Synchronize Waveform Data with Numerical Data
Graphic showing parsed segments.
Segments of interest can be altered or deleted.
Once segments are selected, Parser View Mode allows the user to view all parsed segments on one graphics screen. Further complementing the graphics, a new spreadsheet containing values (derived/calculated values such as HR, QT-Interval, etc.) only pertinent to the parsed segments is created.
Analyze Data
The Electrocardiogram Analysis
Module computes physiologically
meaningful parameters and
detects the presence of arrhythmia, on a beat-to-beat basis, from waveform ECG data. The ECG signal can have positive, negative, or bi-phasic T waves, P waves, and QRS complexes. Automated validation marks for P, Q, R, S, and T are available.
The validation marks provide visual, on-line verification of the accuracy of the system.
Attributes allow adjustment of key signal points which accounts
for its flexibility when analyzing various animal models.
The analysis is flexible and is applicable to many animal models. The user can easily adjust the criteria the system
utilizes for analyzing signals, which accounts for morphological changes from one animal model to another. Derived/Calculated data includes standard interval (PR, QRS, QT, RR) measurements, amplitude measurements (P, Q, R, S, Negative T, Positive T), calculated values as well as 3 different QT correction factors. These values may be displayed in Excel or Access in a Beat-to-Beat mode or averaged over time.
Graph Display
User-definable graphic display windows are available and can be configured in one of the following formats: Primary, Trend, Scatter, and Page View. The user can change the physical size of a window and move a window within the desktop area. Additional features exist in Review to allow for advanced manipulation of data. This includes selecting and dragging desired ranges of the numerical data to the graph page as well as removing outliers from calculations by simply selecting the desired points on a graph and electing to have these cycles removed.
- Primary Graphs – Displays the RAW waveform data.
- Page View Graphs – The Page View Graph allows one signal to be wrapped across multiple panes allowing for a large number of complexes to be read. This is useful when performing a "qualitative" reading of the ECG signals.
- Scatter and Trend Graphs – Displays derived/calculated values over time or plotted against one another.
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Primary: Graphs the RAW waveform data.
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Page View: Allows multiple axes and time duration to be defined for one signal. This allows for an overview or qualitative read of a large number of complexes.
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Scatter: Allows two derived parameters to be plotted against one another. Review also allow outliers to be selected and removed from calculations in Scatter Mode.
Corrected QT interval using Bazett's method, other correction factors are also available.
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Trend: Graphs derived or calculated values such as HR.
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Hard Copy Output
The PONEMAH software offers several methods for generating hardcopies of waveform data. Print Screen output, High Resolution Printer output and Continuous Digital Thermal Recorder output are all options within Review.
Print Screen – The user simply clicks on an active graph page and sends a color image of the graphic screen to any desired program. The option to copy a single axis or the entire graph page is also available.
High Resolution Printer – The user can send a high-resolution image to any local laser printer or networked printer. The image is a high-resolution color or black/white image with 5mm grids.
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