Impact of COVID-19 'circuit-breaker' measures on emergency medical services utilisation and out-of-hospital cardiac arrest outcomes in Singapore.

Objective: To understand the impact of COVID-19 restrictions on emergency medical services (EMSs) utilisation and out-of-hospital cardiac arrest outcomes in Singapore.

Methods: This was a retrospective observational study comparing data collected by the Singapore Civil Defence Force on EMS utilisation in Singapore from 1 April to 31 May 2020 to previous figures.

Results: Overall, EMS call volume and total out-of-hospital cardiac arrests remained comparable to past years.