Her blue uniform looked freshly pressed despite the long shift.

She turned a small red dial on the side of the ventilator and watched the blue numbers change on the readout.

The machine’s rhythm didn’t falter, but a small light on the lower monitor flickered from green to amber.

“Her oxygen numbers dropped two points over the last hour,” Elena said, keeping her voice low and even.

“We had to turn the flow up a little to keep her chest moving properly.”

“Is she tired?” I asked.