RR Interval Calculator
Analyze heart rate variability (HRV) from ECG data. Calculate RR intervals, heart rate, and HRV metrics for cardiac assessment and health monitoring.
Step 1: Input ECG Data
Understanding RR Intervals
RR intervals are the time between successive R-waves on an ECG. Analyzing RR interval variability provides insights into autonomic nervous system function and cardiovascular health.
Step 2: Analysis Parameters
Heart Rate Variability (HRV)
HRV measures the variation in time between heartbeats. Higher HRV indicates better cardiovascular fitness, stress resilience, and autonomic nervous system balance.
HRV Analysis Results
Average Heart Rate
Detailed HRV Metrics
| Metric | Value | Normal Range | Assessment |
|---|
Interpreting HRV Results
SDNN (Standard Deviation of NN intervals): Overall HRV. RMSSD (Root Mean Square of Successive Differences): Short-term HRV related to parasympathetic activity. pNN50: Percentage of adjacent RR intervals differing by more than 50 ms.
RR Interval Visualizations
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