Your body reacts to nearly everything happening around you through your emotions, observations, thoughts and activity. Your brain guides the body by regulating heart and other organs through autonomic nervous system. This physiological variation of heart rate, controlled by autonomic nervous system, is called Heart Rate Variability (also commonly known as HRV). Measuring heart rate variation reveals wide range of information about your body and health. Heart rate variability (HRV) is calculated based on variation of time in milliseconds between two heartbeats. HRV varies as you breathe in and out (see picture below).
One sensitive and important measurement is called HRV deep breathing test. This unique 1 minute deep breathing test (DBT) provides instant real time information about your acute stress level. Through follow up measurements it is possible to evaluate your health more in-depth. From figures 2 and 3 you can see simple results of the 1 minute deep breathing test. These results can be utilized when analyzing your health and acute stress. Constantly poor results in DBT may be caused e.g. by high blood pressure, heart disease, obesity, diabetes, mental disorders (e.g. depression) or chronic stress overload.
A collection of white papers and reports on HRV
Measuring Effects With HRV
Various Tests & Studies
Zen Meditation and HRV test
Electrical (ECG) vs. Optical-based (PPG)
Heart Response and the VitaPlex
Subtle Energy’s Interaction with the Human Body
Effect of trimetazidine on heart rate variability in elderly patients with acute coronary syndrome
Heart Rate Variability to Assess Combat Readiness
A Heart and A Mind: Self-distancing Facilitates the Association Between Heart Rate Variability, and Wise Reasoning