Average Heart Rate of Infants and Children at Rest
| Age | Average Rate (beats/min) | Range (1st to 99th Percentile) |
|---|
| Birth | 140 | 90-165 |
| First 6 months | 130 | 80-175 |
| 6-12 months | 115 | 90-170 |
| 1-2 years | 110-120 | 88-155 |
| 2-6 years | 100-110 | 65-140 |
| 6-10 years | 75-90 | 52-130 |
Reprinted with permission from
Bickley, L. S., Szilagyi, P. G., Hoffman, R. M., & Soriano, R. P. (2021). Bates’ guide to physical examination and history taking (13th ed., Box 25-34). Wolters Kluwer.