<Tr> <Th> Level </Th> <Th> Name </Th> <Th> Description </Th> <Th> Examples </Th> </Tr> <Tr> <Td> </Td> <Td> Resuscitation </Td> <Td> Immediate, life - saving intervention required without delay </Td> <Td> Cardiac arrest Massive bleeding </Td> </Tr> <Tr> <Td> </Td> <Td> Emergent </Td> <Td> High risk of deterioration, or signs of a time - critical problem </Td> <Td> Cardiac - related chest pain Asthma attack </Td> </Tr> <Tr> <Td> </Td> <Td> Urgent </Td> <Td> Stable, with multiple types of resources needed to investigate or treat (such as lab tests plus X-ray imaging) </Td> <Td> Abdominal pain High fever with cough </Td> </Tr>

What is the purpose of the emergency severity index