Which condition requires immediate intervention during transport?

The condition that requires immediate intervention during transport is the presence of signs of major trauma. When assessing a patient during transport, any indication of major trauma—such as severe injuries, loss of consciousness, significant blood loss, or severe pain—demands urgent evaluation and intervention to prevent further deterioration of the patient's condition. This could include administering fluids, controlling bleeding, or preparing for surgical intervention if necessary.

In contrast, stable chronic conditions and follow-up appointments do not typically necessitate immediate medical intervention, as they can often be managed with routine care. Likewise, routine check-ups are preventive in nature and do not require urgent attention. The acute nature of major trauma distinctly sets it apart from these other scenarios where intervention can be delayed or managed in a less urgent context. Prompt recognition and action in cases of major trauma is crucial for patient survival and recovery.