An experiment in measuring heart beat rates by observing color channel variations over time.
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The interbeat interval, also known as the heart rate or pulse, refers to the time between successive heartbeats. It is typically measured in beats per minute (bpm). The heart rate can vary depending on factors such as age, physical activity, emotional state, and overall health. Here are some typical interbeat intervals for different age groups:
Heart Rate Variability (HRV) is the variation in time between successive heartbeats. It is an essential measure of the autonomic nervous system's activity and overall cardiac health. HRV is typically assessed by analyzing the time intervals between R-peaks (R-R intervals) in an electrocardiogram (ECG) or heart rate data. HRV can be quantified in various ways, and different metrics may be used to assess it. One common metric is the standard deviation of normal R-R intervals (SDNN).
- Newborns (0–1 month):
- Interbeat Interval: 600–375 ms
- Frequency: 1.67–2.67 Hz (100–160 bpm)
- Variability: 50–100 ms
- Infants (1–12 months):
- Interbeat Interval: 666–375 ms
- Frequency: 1.5–2.67 Hz (90–160 bpm)
- Variability: 80–120 ms
- Toddlers (1–2 years):
- Interbeat Interval: 750–462 ms
- Frequency: 1.33–2.17 Hz (80–130 bpm)
- Variability: 70–110 ms
- Preschoolers (3–5 years):
- Interbeat Interval: 750–500 ms
- Frequency: 1.33–2 Hz (80–120 bpm)
- Variability: 70–100 ms
- Children (6–12 years):
- Interbeat Interval: 857–545 ms
- Frequency: 1.17–1.83 Hz (70–110 bpm)
- Variability: 70–100 ms
- Adolescents (13–19 years):
- Interbeat Interval: 1000–600 ms
- Frequency: 1–1.67 Hz (60–100 bpm)
- Variability: 60–100 ms
- Adults (20 years and older):
- Interbeat Interval: 1000–600 ms
- Frequency: 1–1.67 Hz (60–100 bpm)
- Variability: 20–70 ms