I wonder like during an emergency i see fire trucks, ambulances and police cars going to a scene. Does one big alert get sent out and whoever is closest goes? Do they not let each other know they are on the way because I see sometimes 5-6 vehicles pass me. Yesterday I was on way home and these two police cars are speeding - lights on down a 4 lane road. One of the police cars almost lost control he was weaving and going so fast. I was just curious to see what the protocol is for this.
Re: Anyone work in "emergency services"..?
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My dad is a fireman/EMT for EMA. I think any 911 call he gets dispatched, as well as police. Sometimes he takes the ambulance and sometimes he takes the fire truck, I think basically the whole unit is dispatched, so a fire truck and an ambulance leave the station. Since he also drives the water truck, I think that leaves only in the case of an actual fire reported. As far as police, all emergency personnel are trained in basic first response so many times police will race to the scene just in case they can arrive first. Of course, Daddy works in a rural area so maybe the metro 911 response is more sophisticated.
A paramedic that is attending classes here at the college told me that it takes an average of 7 minutes for the ambulance to arrive on the scene of an emergency. If a police officer or fireman arrives first they can start CPR or use paddles on an unresponsive person when every second counts. This is probably the reason all units are dispatched in an emergency. Seven minutes down is a death sentence in a cardiac situation.
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This is tight up my alley! I used to be a medic for Newton County EMS and I trained in St. Pete/Clearwater Florida (one of the busiest areas in the country b/c of the old people and Canadians).
Anyway, to answer your questions. In MOST places in the metro area, and it really varies, when you call 911 this is what happens:
1. Central dispatch answers and determines your needs.
2. For Medical only (Heart attack, etc) you will get an ambulance that has an emt and a paramedic and some sort of fire apparatus (unless it's Dekalb, in which case fire IS the ambulance) that has at least an EMT, although most around here also have medics. The FD comes from the station that covers your area, and if they aren't available (they are on another call), there is a list of who gets you next. Ambulances usually come from some posted location. Meaning they are parked somewhere waiting for you to call.
For MVCs (motor vehicle crashes) - You will get an ambulance, some police and a fire engine. Once one of them arrives, they determine if more help is needed. You may get a squad if extrication is necessary.
For fires - you get one truck for each alarm. If you've ever heard the term "3-alarm fire" it means they needed that much help to put it out. You will also get an ambulance in case of victims, and to rehab the firefighters
Police - that's self explanatory.
As far as what you saw yesterday, sometimes they are going to separate calls (if you saw six, that's very likely), but sometimes they need more than one person. A lot of the cops around here only have one person to a car so you would get at least two for anything that could be dangerous.