Age | Respiratory rate (breaths/minute) | Heart rate (beats/minute) | ||||
Lower limit (1st percentile) | Normal range (10th to 90th percentile) | Upper limit (99th percentile) | Lower limit (1st percentile) | Normal range (10th to 90th percentile) | Upper limit (99th percentile) | |
0 to 3 months | 25 | 34 to 57 | 66 | 107 | 123 to 164 | 181 |
3 to <6 months | 24 | 33 to 55 | 64 | 104 | 120 to 159 | 175 |
6 to <9 months | 23 | 31 to 52 | 61 | 98 | 114 to 152 | 168 |
9 to <12 months | 22 | 30 to 50 | 58 | 93 | 109 to 145 | 161 |
12 to <18 months | 21 | 28 to 46 | 53 | 88 | 103 to 140 | 156 |
18 to <24 months | 19 | 25 to 40 | 46 | 82 | 98 to 135 | 149 |
2 to <3 years | 18 | 22 to 34 | 38 | 76 | 92 to 128 | 142 |
3 to <4 years | 17 | 21 to 29 | 33 | 70 | 86 to 123 | 136 |
4 to <6 years | 17 | 20 to 27 | 29 | 65 | 81 to 117 | 131 |
6 to <8 years | 16 | 18 to 24 | 27 | 59 | 74 to 111 | 123 |
8 to <12 years | 14 | 16 to 22 | 25 | 52 | 67 to 103 | 115 |
12 to <15 years | 12 | 15 to 21 | 23 | 47 | 62 to 96 | 108 |
15 to 18 years | 11 | 13 to 19 | 22 | 43 | 58 to 92 | 104 |
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