The nursing station keeps detailed sign-outs for every shift to ensure continuity of care.

During the emergency, the patient's falling respiratory rate became the most worrying vital sign.

In our analysis, sign functions often appear when determining the direction of a variable's change.

When analyzing real-valued datasets, the sign function helps identify the direction of each sample.

During the triage assessment, the nurse noted the patient's skin signs—pale, cool, and clammy—before calling the physician.

I slowed down at the yield sign because cross traffic was approaching faster than expected.

During the neurologist's examination, the patient's brief arm movement was identified as the Lazarus sign, a reflex seen in brain-dead or brainstem-failure patients where the arms briefly rise and fall crossed over the chest.

After hours of searching, the faint heartbeat they detected was the first sign of life.

At the intersection, the yield signs were hidden by overgrown bushes, which confused drivers.

The road signs were covered in snow, making the route hard to follow.