"1990 Suwa Seriya" the national pre-hospital care ambulance service of Sri Lanka; a narrative review describing the EMS system with special emphasis on Out of Hospital Cardiac Arrest (OHCA) in Sri Lanka.

Background: Sri Lanka is a leading nation in healthcare provision in the South Asia. Notably, it recorded amongst the lowest maternal and neonatal mortality rates in the region. However a significant deficit in improving all-cause mortality rates was the absence of a cohesive system of pre-hospital care.