Understanding vital signs
The following table contains the ranges of what normal vital signs look like, and what deviations indicate:
| Condition | Heart rate | Blood pressure | SpO2 |
|---|---|---|---|
| Normal | 80 BPM | 120/80 | 100% |
| Stable | 40 - 160 BPM | 60/50 - 160/120 | > 85% |
| Deteriorating | <40 BPM or >160 BPM | <60/50 or >160/120 | > 20% |
| Critical | 0 BPM or 220 BPM (at 220 BPM heart will go into cardiac arrest) | 0/0 or >285/240 | 0% |