Overview
The exact reference ranges for paediatric vital signs are not universally agreed on and sources vary. Some general ranges are in the table below based on the ManChEWS2 scoring system (Manchester Early Warning Scoring system).
| Age | Heart rate (bpm) | Respiratory rate (/min) | Systolic blood pressure (mmHg) |
| <4 months | 110 – 160 | 30 – 40 | ≥60 |
| 4 months – 2 years | 100 – 150 | 25 – 35 | ≥70 |
| 2 – 5 years | 80 – 120 | 20 – 30 | ≥85 |
| 5 – 12 years | 70 – 120 | 20 – 30 | ≥90 |
| >12 years | 65 – 100 | 15 – 25 | ≥90 |
