Does the use of the Advanced Medical Priority Dispatch System affect cardiac arrest detection?
GROUND: Cardiac arrest is the most widely recognised prehospital event that early intervention can directly affect. Chance of survival from this event decreases every minute that passes without treatment. To deliver a rapid ambulance response to these patients the early detection of cardiac arrest by control room staff is crucial. To achieve this, the London Ambulance Service (LAS) uses the Advanced Medical Priority Dispatch System. What impact has AMPDS had on identifying patients in cardiac arrest? Does compliance with AMPDS protocol influence the identification of patients in cardiac arrest? METHODS: A two stage study was undertaken. The first, compared cases coded as “cardiac arrest” and found by the responding ambulance to be in cardiac arrest before the implementation of AMPDS. This was compared with cases triaged as “cardiac arrest” and found to be in cardiac arrest across three years after AMPDS implementation. The second stage compared AMPDS compliance, over a 32 month period
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