In 2018, any-mention sudden cardiac arrest mortality in the US was 393,872.
• According to 2019 data, the majority of Out of Hospital Cardiac Arrests (OHCA) occur at
a home or residence (70.0%). Public settings (18.8%) and nursing homes (11.2%) were the
second and third most common locations of OHCA.
• According to 2019 data, OHCA was witnessed by a layperson in 38.3% of cases and by an
EMS provider in 12.7% of cases.