In what circumstances would the volume calculation icon not show the expected data?

The correct choice highlights a situation where the volume calculation icon would not display the expected data because the absence of an active infusion directly impacts the capacity to calculate or provide relevant volume information. In scenarios where an active infusion is not present, the system cannot assess how much fluid has been delivered, which means there can be no calculation related to volume.

This ties into clinical practice, as the volume calculation is particularly useful for monitoring ongoing infusions, helping healthcare professionals make informed decisions regarding patient treatment. Without an active infusion in place, the system has nothing to calculate, leading to the absence of expected data in the volume calculation icon.

The other scenarios, while they may influence the system in varying degrees, do not directly relate to the capacity to show volume data. For instance, pediatric cases may utilize different parameters for volume calculations but won't completely eliminate the ability to display data. Similarly, freshly placed orders may take a moment to process but can still show existing infusion details. During updates or maintenance, while the system might experience temporary disruptions, it's not guaranteed that the volume calculation feature would be entirely unresponsive if there are active infusions in place.