Table 2 List of exampled “abnormal physiology” (values for adults) used in the trauma protocol of our Centre. It is usually warranted to perform CT scanning in these circumstances
| Pulse < 50 or > 120 beats per minute | |
| Respirations < 10 or > 30 per minute, or cyanosis | |
| Systolic Blood Pressure < 90 mmHg | |
| Head injury with GCS < 14 |