In this video we are going to discusses the data drawn from UK studies of the epidemiology of cardiac arrest in the out of hospital settings quoted in the 2021 UK Resuscitation Council guidelines.
NHS Ambulance Services attempt resuscitation in approximately 30,000 people each year.
The annual incidence of out-of-hospital cardiac arrest (OHCA) is approximately 55 per 100,000 inhabitants.
72% of cardiac arrests occur in the home or are 15% in the workplace.
Half of all OHCA are witnessed by a bystander.
98% of cardiac arrests occur in adults, amongst whom 33% were aged 15-64 years and 8 out of 10 OHCA are due to a cardiac cause.
Bystander CPR is attempted in 7 out of 10 OHCA and a public access defibrillator use is reported as being used in less than 1 in 10 OHCA.
There is evidence of health inequalities in the incidence of cardiac arrest, bystander CPR and distribution of public access defibrillators. Deprived areas and areas with a greater proportion of residents from minority ethnic backgrounds have a higher incidence of cardiac arrest, lower incidence of bystander CPR and less access to public access defibrillators.
The average ambulance response time is 6.9 minutes.
The initial rhythm is shockable in approximately 1 in 4 or 22-25% of OHCA cases and a return of spontaneous circulation (ROSC) is achieved in approximately 30% of attempted resuscitations.
And finally, when resuscitation is attempted, just fewer than one in ten or 9% of people survive to hospital discharge following OHCA.
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