What should a security guard do if they encounter a medical emergency on duty?

In the event of a medical emergency while on duty, the best course of action for a security guard is to call emergency services and provide assistance within the limits of their training. This approach ensures that professional help is on the way, which is crucial in emergency situations, as timely medical intervention can significantly impact the outcome for the individual in distress. By calling emergency services, the guard fulfills their responsibility to ensure safety and aid individuals in need.

Additionally, providing assistance within the scope of their training means that the guard is equipped to take appropriate, measured actions without overstepping their capabilities or causing further harm. This could include basic first aid measures or ensuring that the area remains safe and secure until medical personnel arrive. It demonstrates the guard's commitment to the safety and well-being of those around them, reinforcing their role as a protector and responder in the community.

This response is proactive and responsible, in contrast to the other choices, which lack the necessary action and consideration for the well-being of individuals facing medical emergencies.