Out-of-hospital cardiac arrest (OHCA) is a leading cause of mortality and a significant public health problem globally. In Singapore, OHCA affected 11,061 adults between 2011 and 2016. Despite multiple pre-hospital and hospital-based interventions, survival rates remain low. Initiation of time-sensitive cardiopulmonary resuscitation (CPR) while waiting for emergency services arrival is an essential key to survival in patients with OHCA.
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