![methodology - What is the difference between RR-intervals and NN-intervals in HRV-data? - Psychology & Neuroscience Stack Exchange methodology - What is the difference between RR-intervals and NN-intervals in HRV-data? - Psychology & Neuroscience Stack Exchange](https://i.stack.imgur.com/B4j77.png)
methodology - What is the difference between RR-intervals and NN-intervals in HRV-data? - Psychology & Neuroscience Stack Exchange
हाम्रो हस्पिटल रिसर्च एण्ड ट्रमा सेन्टर प्रा.लि. - Heart rate Heart rate can be calculated using the following method (if regular): Count the number of large squares present within one R-R interval
![Top: RR intervals in seconds and corresponding relative intervals in... | Download Scientific Diagram Top: RR intervals in seconds and corresponding relative intervals in... | Download Scientific Diagram](https://www.researchgate.net/publication/290445405/figure/fig1/AS:614203836612620@1523449014549/Top-RR-intervals-in-seconds-and-corresponding-relative-intervals-in-percent-Bottom-The.png)
Top: RR intervals in seconds and corresponding relative intervals in... | Download Scientific Diagram
![Recommendations for the measurement of the QT interval during the use of drugs for COVID-19 infection treatment. Updatable in accordance with the availability of new evidence | Journal of Interventional Cardiac Electrophysiology Recommendations for the measurement of the QT interval during the use of drugs for COVID-19 infection treatment. Updatable in accordance with the availability of new evidence | Journal of Interventional Cardiac Electrophysiology](https://media.springernature.com/m685/springer-static/image/art%3A10.1007%2Fs10840-020-00765-3/MediaObjects/10840_2020_765_Fig2_HTML.png)