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Resting Heart Rate: Normal Ranges by Age and When to Seek Help

Normal adult resting heart rate: 60–100 bpm. Individual variation exists; athletes often have 40–60 bpm.

Age-Based Reference Ranges

  • Adults 18–64: 60–100 bpm
  • Older adults 65+: 60–90 bpm
  • Children 6–17: 70–100 bpm
  • Toddlers 1–5: 80–120 bpm
  • Infants 0–12 months: 80–160 bpm

Factors Influencing RHR

  • Fitness level, medications (beta-blockers, calcium channel blockers), thyroid status, hydration, stress, caffeine.

How to Measure Accurately

  1. Rest quietly 5+ minutes (sit or lie down).
  2. Place index/middle fingers on radial wrist (thumb side).
  3. Count beats for 15 seconds; multiply by 4.
  4. Best measured in morning before caffeine/activity.

When to See a Doctor

  • RHR consistently <60 bpm (if not athletic) or >100 bpm
  • Sudden change from your baseline
  • Accompanied by dizziness, fainting, chest pain, shortness of breath

Context matters—discuss concerns with your healthcare provider.

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