When you call 911 the police usually show up followed by paramedics / fire dept or vice versa. Depending on the city this is standard practice. The medics typic

When you call 911 the police usually show up followed by paramedics / fire dept or vice versa. Depending on the city this is standard practice. The medics typically take blood pressure before leaving, not sure why but assuming this is a policy about confirming everyone is ok before they leave. The writer likely simplified the scene by omitting the fact that EMTs arrived with the police.