What is the absolute contraindication for all types of aeromedical transport?

The absolute contraindication for all types of aeromedical transport is patients in cardiac arrest. This is because aeromedical transport often requires specific interventions and assessment that cannot be performed effectively while a patient is in cardiac arrest. During such a critical state, immediate and comprehensive resuscitative efforts are typically required, which are best managed on the ground where advanced life support measures and continuous monitoring can be established.

Air transport can introduce additional risks, such as the effects of altitude and limited space for medical interventions, which could compromise the patient's stability. Therefore, when a patient is in cardiac arrest, the priority is to provide effective resuscitation on the ground instead of opting for aeromedical transport, where the level of care may not meet the critical demands of the situation.

In contrast, while other options may present challenges or require additional considerations during transport, they do not carry the same level of immediacy and risk associated with patients in cardiac arrest.