This measure displays the average scene time in minutes for patients with stroke-like symptoms. The Emergency Medical Services department will identify incidents with scene times over 15 in minutes for patients with stroke-like symptoms and then review the corresponding patient care records to look for reasonable explanations for delays and areas of improvement.

This measure displays average time interval from when a 911 ambulance crew arrived at the patient’s side and the time the chart was first posted to the database, to the average scene time of patients suffering from time sensitive injuries. The Emergency Medical Services Department tracks and reviews EPCRs submission times. The scene time will be defined as the period that starts when the ambulance crew arrives at the patient’s side and ends when the ambulance begins transporting to the destination hospital. This comparison will demonstrate an overall depiction of how well the system performs at delivering the most charts of the most critical patient types.

This measure displays average scene time in minutes for ST-elevation myocardial infarction (STEMI) patients. Emergency Medical Services department identifies incidents with scene times over 15 in minutes for STEMI patients and then review the corresponding patient care records to look for reasonable explanations for delays and areas of improvement.

This measure displays average trauma scene time in minutes for trauma patients. The Emergency Medical Services Department tracks and reviews ambulance scene times on trauma incidents. The scene time will be defined as the period that starts when the ambulance crew arrives at the patient’s side and ends when the ambulance begins transporting to the destination hospital. The Department will identify trauma incidents with ambulance scene times over 15 in minutes and then review the corresponding patient care records to look for reasonable explanations for delays and areas of improvements.

This measure displays current ambulance patient offload time in all County hospitals. The Department will reduce current ambulance patient offload time in all hospitals to 20 minutes or less (measured at the 90th percentile) by June 2023. This will improve the customer experience, the efficient allocation of resources, and timely access to EMS services. On a monthly basis, the Department will determine the 90th percentile for all ambulance offload times in the County by measuring time from the ambulance arrival at the hospital until the hospital assumes care.