Which of the following symptoms would warrant calling 911?

Calling 911 is crucial when someone experiences chest pain, as it can often be a sign of a serious medical emergency, such as a heart attack or other heart-related issues. Chest pain can be accompanied by other symptoms, including shortness of breath, nausea, lightheadedness, or pain radiating to the arm, shoulder, jaw, or back. Quick medical intervention can significantly increase the chances of a good outcome in such situations.

In contrast, while sudden headaches can be alarming and may indicate a serious issue, they do not always necessitate immediate emergency care. Stomach aches may also be concerning but typically do not require emergency assistance unless they are accompanied by severe symptoms. Minor cuts, while needing attention, are usually not urgent and can often be treated with basic first aid rather than emergency services. Thus, chest pain stands out as a critical symptom that requires immediate medical evaluation.