Vital signs are stable and within normal limits. Patient is conscious, but may be uncomfortable. Indicators are favorable. Vital signs may be unstable and not within normal limits. Patient is acutely ill.
Indicators are questionable.
Vital signs are unstable and not within normal limits. Patient may be unconscious. Indicators are unfavorable. Furthermore, this term should not be used in combination with other conditions, which by definition, often indicate a patient is unstable.