Classification of hemorrhage based on blood loss (adult)
Class I, II, II, IV
%Loss of Blood Volume
Pulse rate
supine BP
UOP cc/h
mental status
| I | II | III | IV |
| <15% | 15-30% | 30-40% | 40% |
| <100 | 100-120 | 120-140 | >140 |
| nl | nl | decr | decr |
| <30 | 20-30 | 5-15 | <5 |
| anxious | agitated | confused | lethargic |