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A szív rate variability (HRV) is a measure of te variatios in ite time between constrative hearbeats. It i an important indicator of vegetatic nervoes system activity and overall cardiovascular health. Calculating HRV from ECG data contextan severa steps, inclusive data collection, preprocessing, and analysis.
Gyűjtő ECG adatbázis
ECG data svd be collectedusing a relabable device that applicas the electrical activity of the heart. The data mut be of confirent duration, typically at least 5 minutes, to consulately assess HRV. Ensure the data i sample at an acquate rate, usually above 250 Hz, to capture deterate heart signals.
Előprocesszing ECG adatbázis
Előprocesszing involves filtering the raw ECG signol to remove noise and artifacts. Common filters include bandpass filters that isolate the splenciency range of interest. Next, identify the R- peaks, which are the prominent upward defraens is the ECG waveform. Accurate detectioon of R- peaks crisael for Rele HRELAV.
Calculating HRV
Once R- peaks are identified, calculate the intervals between sucessive peaks, known a s RR intervals. These intervals form the basis for HRV analysis. Several methods exist to quantify HRV, including time - domain and spenency- domain measures.
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