Heart Rate Variability (HRV) Analysis Software
AcqKnowledge® includes a series of automated Heart Rate Variability (HRV) analysis tools that conform to international cardiology standards. It is possible to perform the analysis over user defined selections of data, or automatically within user specified time periods, or between stimulus presentation event marks, or user entered event marks. The user can also create focus areas in real time or post-acquisition and the software will analyze the data within areas.
Options for:
Single-epoch HRV–Spectral
Single-epoch HRV is the examination of a user defined area of data.
Multi-epoch HRV–Statistical
This analysis computes statistical measures of heart rate variability in user-specified time intervals These measures (RMSSD, SDSD, and pNN50) can be extracted by fixed time intervals, time between event boundaries or focus areas.
Multi-epoch HRV and RSA–Spectral
This routine performs RSA and HRV analyses on specified time slices along an ECG waveform, whether by markers, fixed-time intervals, or focus areas.
R-R Poincare Plot
Poincare plots are constructed from ECG Lead II data. A Poincare plot is an X/Y plot with R-R intervals in seconds on one axis and on the other axis the sequence delayed by one beat (RR vs. RR+1).
RSA–Time-series
This particular method looks at the time domain data and uses the peak and valley method to compute Respirator Sinus Arrhythmia. It is used to explore the connection between respiration and changes to heart rate. Variations in the heart rate can be directly correlated with vagal tone. The RSA index can be used to investigate changes in this connection during recording.
Learn more about Heart Rate Variability with HRV Webinars on Demand (listed under the ECG heading).
See More...Details
AcqKnowledge® software includes a fully-automated Heart Rate Variability analysis tool. The algorithm conforms to the frequency domain algorithm guidelines as published by the European Heart Journal. For optimal results, follow these suggestions for Preparing HRV Data for Analysis.
- There are two methods for extracting the RR intervals from the ECG signal:
- A modified Pan-Tompkins QRS detector
- Events located in the file – ECG QRS Peak event
- The RR intervals are re-sampled to a continuous sampling rate in order to extract frequency information.
- Cubic-spline interpolation is used to generate this continuous time-domain representation of the RR intervals.
- The frequency information is extracted from the RR intervals and analyzed to produce standard ratios. Power sums are reported in units of sec2/Hz. A Welch periodogram is used to generate the Power Spectral Density (equivalent to Transform > Power Spectral Density).
- The software reports values for the typical HRV frequency bands, including: Very Low Frequency, Low Frequency, High Frequency, and Very High Frequency ranges. The analysis also includes values for the overall ratios: Sympathetic, Vagal and Sympathetic – Vagal balance. The ratio values and frequency band results can be plotted into a Journal file or exported for further analysis.
AcqKnowledge also inlcudes a Poincare plot option that will display either selected areas of the data, or the entire file. The Poincare plot is an X/Y plot of the RR intervals in seconds. One axis displays the RR interval and the other axis displays the interval delayed by one beat.
Note: The BioHarness is not recommended for heart rate variability studies because the sample rate used to record the ECG waveform is at the very low end of the optimal range for HRV studies.
Videos
On Demand Webinar: HRV & RSA – FUNDAMENTAL ANALYSIS TECHNIQUES
Fundamental techniques for analyzing Heart Rate Variability and Respiratory Sinus Arrhythmia data with AcqKnowledge software.
HRV Analysis: Fully-automated Routine in AcqKnowledge
RSA Analysis
EPOCH Analysis Demonstration
BIOPAC Research Solutions | ECG
Support
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Hardware Packages | Heart Rate Variability (HRV) Analysis Software
Hardware Bundles are complete solutions for the specified application. Choose your preferred platform and bundle, then click "Request Pricing" to request an estimate, add/remove items, or complete purchase. If you have questions about specific items, click through to the product web page for details and specifications, or contact your Local Sales contact.
Wired
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MP36R System plus leads & disposable electrodes
Wired | Heart Rate Variability (HRV) Analysis Software
MP36R with AcqKnowledge plus lead set & disposable electrodes
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MP36R System plus leads & disposable foam electrodes
Wired | Heart Rate Variability (HRV) Analysis Software
MP36R with AcqKnowledge plus electrode lead adapter and disposable foam electrodes
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MP200 System + ECG amp, module extension cable & foam electrodes
Wired | Heart Rate Variability (HRV) Analysis Software
MP200 plus AcqKnowledge with ECG amp, module extension cable and foam electrodes
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MP36R System for Respiratory Effort
Wired | Heart Rate Variability (HRV) Analysis Software
MP36R System plus respiratory effort transducer, shielded lead set, and disposable foam electrodes
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MP200 System + ECG, EEG, EMG, EOG, SpO2, Resp, and Temp
Wired | Heart Rate Variability (HRV) Analysis Software
MP200 with AcqKnowledge plus ECG, EEG, EMG, EOG, Oxygen Consumption, Respiration & Skin Temp setups
MP36R System plus leads & disposable electrodes
- 1 x MP36R Systems
- 1 x Stress Test Electrodes
- 1 x Lead set, shielded, BSL
- 1 x Abrasive Pads 10/pk
MP36R System plus leads & disposable foam electrodes
- 1 x MP36R Systems
- 1 x Lead Wires with Clip
- 1 x Lead Wires with Clip
- 1 x Lead Wires with Clip
- 1 x Stress Test Electrodes
- 1 x Electrode Lead Adapter, TP
- 1 x Abrasive Pads 10/pk
MP200 System + ECG amp, module extension cable & foam electrodes
- 1 x MP200 Data Acquisition Systems
- 1 x Module Extension Cables
- 1 x Lead Wires with Clip
- 1 x Lead Wires with Clip
- 1 x Lead Wires with Clip
- 1 x Stress Test Electrodes
- 1 x ECG Electrocardiogram Amplifier
- 1 x Abrasive Pads 10/pk
- 1 x Electrode Impedance Checker
MP36R System for Respiratory Effort
- 1 x MP36R Systems
- 1 x Stress Test Electrodes
- 3 x Lead set, shielded, BSL
- 1 x Respiratory Effort Transducer - MP3X/45
MP200 System + ECG, EEG, EMG, EOG, SpO2, Resp, and Temp
- 1 x MP200 Data Acquisition Systems
- 1 x Module Extension Cables
- 1 x Module Extension Cables
- 1 x Lead Wires with Clip
- 1 x Lead Wires with Clip
- 1 x Lead Wires with Clip
- 1 x Stress Test Electrodes
- 1 x SpO2 Human Oximetry Transducers
- 1 x Cloth Base Electrodes
- 1 x Thermistor (Temperature) Transducers
- 1 x Adhesive Tapes
- 1 x ECG Electrocardiogram Amplifier
- 1 x Abrasive Pads 10/pk
- 1 x Electrode Impedance Checker
- 1 x Respiration Amplifier
- 1 x Respiratory Effort Trans, TP
- 7 x EEG Electroencephalogram Amplifier
- 1 x Electrode Cap System - TouchProof
- 1 x Electromyogram Amplifier
- 1 x Electrooculogram Amplifier
- 1 x Skin Temperature Amplifier
- 1 x SPO2 Pulse Oximeter Amplifier
Wireless
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MP200 System + wireless ECG & disposable foam electrodes
Wireless | Heart Rate Variability (HRV) Analysis Software
MP200 System with AcqKnowledge plus BioNomadix wireless ECG amp and disposable foam electrode
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BioNomadix Logger for ECG with Foam Electrodes
Wireless | Heart Rate Variability (HRV) Analysis Software
BioNomadix Logger and one transmitter for wireless ECG, 15 cm leads & disposable foam electrodes, plus Impedance Checker
MP200 System + wireless ECG & disposable foam electrodes
- 1 x MP200 Data Acquisition Systems
- 1 x Electrode Leads - BioNomadix Wireless
- 1 x Electrode Leads - BioNomadix Wireless
- 1 x Stress Test Electrodes
- 1 x BioNomadix 2Ch Wireless ECG Amplifier
- 1 x Abrasive Pads 10/pk
- 1 x Electrode Impedance Checker
BioNomadix Logger for ECG with Foam Electrodes
- 1 x BioNomadix Wireless Wearable Physiology Logger
- 1 x Electrode Leads - BioNomadix Wireless
- 1 x Electrode Leads - BioNomadix Wireless
- 1 x Stress Test Electrodes
- 1 x Abrasive Pads 10/pk
- 1 x Electrode Impedance Checker
MRI
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MP200 System + ECG for MRO with Disposable RT Electrodes
MRI | Heart Rate Variability (HRV) Analysis Software
MP200 plus AcqKnowledge with ECG MRI amp, MRI cable/filter system to biopotential amps and disposable radiotranslucent electrodes
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MP200 System + ECG MRI amp & disposable RT electrodes
MRI | Heart Rate Variability (HRV) Analysis Software
MP200 plus AcqKnowledge with ECG MRI amp, MRI cable/filter system to biopotential amps, disposable radiotranslucent electrodes and electrode gel
MP200 System + ECG for MRO with Disposable RT Electrodes
- 1 x MP200 Data Acquisition Systems
- 1 x MRI Filtered Cable Sets
- 3 x Leads - RT for MRI
- 1 x ECG Electrocardiogram Amplifier for MRI
- 1 x Disp. Radiotranslucent Electrode, 100/pk
- 1 x Abrasive Pads 10/pk
- 1 x Electrode Impedance Checker
MP200 System + ECG MRI amp & disposable RT electrodes
- 1 x MP200 Data Acquisition Systems
- 1 x MRI Filtered Cable Sets
- 3 x Leads - RT for MRI
- 1 x Electrode Gels
- 1 x ECG Electrocardiogram Amplifier for MRI
- 1 x Disp. Radiotranslucent Electrode, 100/pk
- 1 x Abrasive Pads 10/pk
- 1 x Electrode Impedance Checker
Animal
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MP36R System plus leads & 12 mm needle electrodes
Animal | Heart Rate Variability (HRV) Analysis Software
MP36R with AcqKnowledge plus electrode lead adapter and three 12 mm TP unipolar needle electrodes
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Stellar | AcqKnowledge Intuitive Animal Scheduler License
Animal | Heart Rate Variability (HRV) Analysis Software
Schedule, Record, and Analyze Stellar Telemetry Data with AcqKnowledge
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MP200 System + ECG amp & needle electrodes
Animal | Heart Rate Variability (HRV) Analysis Software
MP200 with AcqKnowledge plus ECG amp & needle electrodes
MP36R System plus leads & 12 mm needle electrodes
- 1 x MP36R Systems
- 3 x Needle Electrodes - Animal/Tissue
- 1 x Electrode Lead Adapter, TP
Stellar | AcqKnowledge Intuitive Animal Scheduler License
- 1 x Unknown Product (Array)
MP200 System + ECG amp & needle electrodes
- 1 x MP200 Data Acquisition Systems
- 1 x Module Extension Cables
- 3 x Needle Electrodes - Animal/Tissue
- 1 x ECG Electrocardiogram Amplifier
- 1 x Electrode Impedance Checker
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