The action line is described as parallel to and four hours to the right of the alert line.

The slides describe the action line as parallel to the alert line and placed four hours to its right. Reaching it is presented as a point at which specific management decisions must be made in the hospital. **Key takeaway:** Alert and action lines are parallel, with a four-hour separation in this material.\n\n**Glossary:** **Action line**: the chart threshold associated with a need for specific management decisions.