ECG & Heart Rate Variability
ECG recording with the Actiwave Cardio
The Cardio is ideally suited for Heart Rate Variability (HRV) and Inter-beat Interval (IBI) measurements in ambulatory settings. The Cardio measures the ECG waveform and 3-axes of acceleration. The data is transferred to the Cardio Viewer software (or can be exported to 3rd party software as EDF+ files) which performs the Heart Rate Variability analysis. The statistics calculated by the Actiheart software are based on 'Heart Rate Variability, Standards of Measurement, Physiological Interpretation and Clinical Use.' Task Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology. Some selected statistics available include:
| Average IBI: | Average Inter-beat Interval (IBI) for the analysis epoch |
| Standard Dev: | Standard Deviation of the IBI data |
| Min & Max IBI: | Minimum and maximum IBI in the epoch |
| VLF, LF, HF: | The very low, low & high frequency component of the IBI, derived using an FFT |
| RMSSD: | The Root Mean Square Successive Difference: a time domain measure of HRV |
| Position: | The position of the subject’s body calculated using the accelerometer |
| Rotation: | The rotation of the Cardio |
Example ECG and Heart Rate Variability screenshot from the Cardio Viewer Software
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UK & International customers Phone: +44 (0)1480-831223 |
US customers Phone: +1 830-755-8036 |
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