SPEL (Solution Pack for Experimental Laboratories) HaemoSys is a complete haemodynamic measuring, recording and analysis software.
The software provides highly accurate automatic and manual evaluation functions for cardiovascular measurements, which are available both in online (measurement) and offline (analysis) mode.
After starting the software the main screen immediately displays 16 channels, which displays the incoming signals (Monitoring mode).
- paralell acquiring, monitoring and recording up to 16 channels
- 16 charts for displaying channel-related derivated data and trends
- every action and event recorded into the notebook
- two different marker types displayed and recorded (Event or Range)
- automatic and manual analysis functions
- fast "on-the-fly" analysis option during recording
- detailed off-line analysis
- measured and computed data collected into exportable data sheets
- several derivative values can be assigned to a primary channel
- High-Cut (HC) and Low-Cut (LC) filters (for noise and breath)
- automatic channel-layout
- multiplexable, redirectable physical channels (one physical channel can be attached to multiple logical channels)
The channel display is divided into three main field:
- Primary signal display
- Trend display (pageable, behind the primary display)
- Service field
Type and characteristics of the channels can be set with the help of the Channel Definition pane.
From here can be open the Setup pane of the selected channel, on which the settings can be performed.
On the setup pane, the user can define, what type of haemodynamic signal will be measured and which parameters will be derived from the primary signal. Every color of the screen can be set, even the grid colors. The numeric value of the derivated signals can be selected for showing in a multimeter display. There is a low-pass and high-pass filter with selectable slope and finely adjustable cut-off frequency.
The system offers pre-defined types for the configuration.
These pre-defined types are:
Every pre-defined type offers individual derivative-list, from which can be select one or more parameter.
- Blood Pressure
- Left Ventricular Pressure
- Right Ventricular Pressure
- Blood Flow
- Segmental Contraction
- Cardiac Output (CO)
- User Defined (V, mV, uV, Hgmm, uA, pA, Unit)
Software contains an easy-to-use two-point calibration procedure, which allows to get the most meticulous result. An inherent sensitivity setting is provided to measure easily different signal levels. In addition, the Calibration pane contains the scale-range setting option.
The settings and calibration can be save into setup files, so later can be open the desired file, and the previously performed settings become immediately active.
If the system is already calibrated, the recording can be start.
At the start of the measuring, the system first asks for basic details of the experiment and then enters to measuring mode.
The recording has not yet starts at this moment, this will start with the Record button.
The experiment file can contain several recording session. It means, that during the experiment the recording can be stop and start several times.
During recording it is possible to place event- and range-markers in desired moments.
The marker-numbers (ID) are displaying on the time-bar. The detailed marker-informations can be reached through these IDs with one click.
The software also provides possibility to use Macros.
In this case, the entire measurement-protocol can be programmed. The protocols can be save, so before starting an experiment, the necessary protocol can be open.
The macro can be programmed in the Macro pane. Here can specify the type of events, the time of events, and the description of the related markers which automatically placed when the event occures.
Macro events include the followings:
Digital Outputs (DO) provide possibility to control (start, stop, triggering) external devices.
- Record Begin
- Record End
- Event Marker
- Range Marker Start
- Range Marker End
- Beep On
- Beep Off
- Digital Output line 1..8 set to High (logic level 1)
- Digital Output line 1..8 set to Low (logic level 0)
During the recording, the events are placed in a special notebook, in which the certain key positions later are directly available, and through this, it is possible for the primary and derivative curves rapid export as well.
The software contains a powerful off-line analysis with the following functions:
In all functions the user can utilize independent baselines.
- Manual analysis:
- One Cursor measurement
- Two Cursors measurement
- Separated Cursors measurement
- Automatic analysis:
- ECG analysis (one cycle or averaged cycle)
- QT analysis
- Integration (Absolute, Positive, Negative and Normal)
- Min-Max analysis (Periodic and Non-Periodic)
- Cardiac Output analysis and calculation
During the ECG analysis the software automatically identifies and marks the points of the ECG complex. These points can be modify manually. Thereafter the evaluated data can be placed in a built-in datasheet with just one click.
The following data will be put in the datasheet: RR distance, Heart Rate, P, Q, R, T, ST amplitudes, PQ, QRS, QT, QTcb, QTcf, QTcv times.
Automatic ECG analysis is capable to evaluate negative T wave and to detect isoelectric level too.
During the QT analysis, the function first seeks for Q and T points in each cycle of the selected section, and then calculates QT values in every cycles. Finally automatically places these values in the datasheet.
These Q-T points can be modify manually. If Q or T is changed, the values will be automatically re-caculated.
QT analysis able to learn the new position of the modified T point. In this case, the software re-calculates the QT values of the selected items.
HaemoSys software contains an integrated CO modul, which provides function for Cardiac Output measuring and calculations.
This special possibility is active only if the channel type was defined as CO.
In this case, the first 4 channels automatically configuring for CO measuring.
During CO measuring, the following data will be calculated and put in the datasheet: SBP, MBP, DBP, HR, BTMP, ITMP, +dTMP, CO, SV, MBP*HR, MBP/CO, CO index, MBP*CO.
The derivative values and trends are calculated and displaying always on the basis of the current settings. However, system capable to offer special treatment of the derivative curves.
The software includes a complete 16 channels integrated monitoring and trend-recording module too.
This is the Extratrend module, which, as well as the base system, contains its own recording and marker functions.
The channels are freely configurable, ie, can be assigned to any primary channel as desired.
The Extratrend module contains its own data collection option (one- and two cursors) and export functions.
Since the system is able to treat two computer monitors too, it is possible, in dual-monitor computer stations, to display 16 channels Extratrend on a separate monitor.
Extratrend provides its own Channel Definition window, through which the configuration can be performed.
Each trend-channel can calculate from one or two primary channel (as data source). Between the two source channel, user can specify mathematical operations (+, -, *, /, mean).
In addition, here can be define the averaging time-interval of the trend-channels (0.5 s..10 s).
It is possible to export records, events and user-defined segments. The calculated data also exportable to CSV (ASCII) files, which can be imported to every third-party data-analysis software. Wide range of printing options are also available for the paper-based color or black/white displaying of the data tables and curves.