Some communities do not have a 911 system. In these areas, emergency calls must be routed differently. EMS service is provided by many people. In urban areas, police officers, firefighters, and ambulance staff are most likely to provide this type of care. In rural or wilderness areas, volunteers, park rangers, or ski patrol staff may provide it.
First responders provide quick care for life-threatening injuries.
They know how to alert the EMS system. Their job is to control the scene and prepare for an ambulance to take the person to the emergency department . EMT-Basic training is required for ambulance staff. A person at this level can give some types of advanced life-support. A paramedic gives care according to a set of steps called protocols that respond to certain medical situations.