A SYSTEM AND METHOD ASSISTS AN EMERGENCY MEDICAL DISPATCHER [104] IN RESPONDING TO EMERGENCY CALLS. A COMPUTER IMPLEMENTED EMERGENCY MEDICAL DISPATCH PROTOCOL [108] INCLUDES INTERROGATORIES FOR A DISPATCHER [104] TO ASK A CALLER [118] TO GENERATE AN APPROPRIATE RESPONSE. A DIAGNOSTIC TOOL [120] IS PROVIDED TO DETERMINE A VITAL SIGN OF A PATIENT BASED ON A TIMER [408] AND CALLER RELAYED INFORMATION ABOUT THE PATIENT. AN INTERVENTION TOOL IS PROVIDED TO ADMINISTER ASSISTANCE AND DETERMINE A COMPRESSION RATE BASED ON A TIMER [408] AND CALLER RELAYED INFORMATION.