For patients transported each month by any of the eleven Ambulance Services in England:
Cardiac arrest: return of spontaneous circulation, survival to discharge from hospital, and receipt of care bundle;
ST-elevation myocardial infarction (STEMI), a type of heart attack: time to clinical intervention in hospital, and receipt of care bundle;
Stroke: time to CT scan and thrombolysis, and receipt of diagnostic bundle.
National statistics are produced impartially and free from political influence.