Medical Emergency Scenario for Security Guards (Canada)
This branching scenario walks you through a person collapsing in a busy lobby. You practise the Check, Call, Care steps taught in Canadian first aid courses, plus the security tasks around them. It is a study scenario, not medical or legal advice: give only the care you are trained to give and follow your post orders.
Security guard
Canada
Scene safety
Calling 911
CPR and AED
Crowd control
Notes and reports
Checked October 18, 2026
Fact-checked October 18, 2026
Your role: You are a licensed security guard at the front desk of a busy office tower. You hold a current first aid and CPR certificate. An AED hangs on the lobby wall, and your post orders say to call 911, then tell your supervisor and the building manager.
A person waiting for the elevator suddenly falls to the lobby floor and does not get up. A few people start to gather. A cleaning cart and a wet floor sign are right beside the person.
Best practice. Correct. First aid training teaches you to check the scene before you approach: is it safe, are there hazards, what happened, and is there someone who can help?
Best practice. Correct. An occasional gasp is not normal breathing, so care for the person as if they are not breathing. When others are present, have someone call 911 and get the AED while you start CPR. For an unresponsive person, the law assumes you have permission to help.
Best practice. Well done. Whenever you give CPR, you should also use an AED if one is available. Giving crowd control to a coworker lets you keep caring for the person.
Unsafe or not allowed. Once you start CPR, keep going until another trained person or paramedics take over, you are too tired, the scene becomes unsafe, or the person shows an obvious sign of life. Ask someone else to handle the crowd.
Acceptable. CPR helps keep blood moving, but an AED can correct the underlying problem for some people in sudden cardiac arrest. Use it as soon as it arrives.
The AED gave one shock and told you to continue CPR. A coworker who also has CPR training is ready to take turns with you. Paramedics will arrive at the street entrance.
Best practice. Correct. Taking turns with another trained person means CPR does not have to stop because you are too tired. Guard training also covers controlling access for emergency services and giving them the details they need.
Acceptable. The care is right, but paramedics may lose time finding the right door or getting past locked areas. Sending someone to meet them saves time.
Unsafe or not allowed. You are the trained person here. Keep giving CPR until another trained person or paramedics take over, and ask someone else to meet the ambulance.
Paramedics take over and move the person to the ambulance. Your supervisor asks you for a report before the end of your shift.
Best practice. Well done. Accurate, factual notes written while details are fresh are part of your job. Codes of conduct such as Alberta's require security licensees to keep information confidential.
Unsafe or not allowed. This is a serious breach of privacy. Codes of conduct such as Alberta's require security licensees to keep information confidential, and your employer's policy will too.
Best ending
The paramedics tell you that early CPR and the AED gave the person their best chance. Your supervisor uses your clear report for the building's records.
Lesson: Check the scene, get 911 and the AED on the way, start CPR, control the crowd and record the facts.