A: This is 911. What is your emergency?
B: I think my wife just had a stroke or a heart attack.
A: Can you describe her symptoms?
B: She is unconscious but breathing. She won't wake up.
A: We are sending an ambulance right now.
B: How do you know my address?
A: We can track it down through our phone system.
B: How long will it take for the ambulance to get here?
A: It should be there in less than five minutes, sir.
B: I think I hear the ambulance coming now.
A: Please let the paramedics in so they can take your wife to the nearest hospital.
B: Thank you. I'll open the door.