In out-of-hospital settings, COVID-19 testing is often lacking and death investigators have less training and less information about the deceased.

Source: https://www.dailycamera.com/2023/01/29/guest-opinion-andrew-stokes-covid-deaths-in-the-u-s-continue-to-be-undercounted-despite-claims-of-overcounts/

In the UK there are more than 30,000 out-of-hospital cardiac arrests (OHCA) a year where emergency services attempt to resuscitate the person.

Source: https://www.lancashiretelegraph.co.uk/news/23646148.diane-fenton-went-cardiac-arrest-home-leyland/?ref=rss

Smith said there was an important lesson to be learnt from the incident by doctors and nurses attending emergencies in out-of-hospital settings.

Source: https://www.odt.co.nz/regions/north-otago/omarama-teen-died-after-fall-project-horse

Survival rates from out-of-hospital cardiac arrest remain stubbornly low in the UK, with fewer than one in 10 people surviving.

Source: https://www.miltonkeynes.co.uk/whats-on/things-to-do/milton-keynes-residents-invited-to-learn-cpr-on-restart-a-heart-day-4339855

With more than 30,000 out-of-hospital cardiac arrests each year in the UK with a survival rate of less than one in ten.

Source: https://www.thenorthernecho.co.uk/news/23362690.north-yorkshire-football-players-urged-learn-cpr/?ref=rss