US EMS Protocol Census
Indication

Ondansetron for ACS / chest pain

1,335 under review5 sources5 named agencies2 statesas of 2026-09-20

Adult dosing has a median of 4 mg across 5 published protocols, with the middle half between 4 and 8.

5sources
5named agencies
2states
5entries
2named here

1,335 rows are under review across the census and excluded from every number on this page. How that works.

Adultmg

5sources
5named agencies
2states
5entries
0kept as written
minp25medianp75max
44488

Values in mg. One value per source (that source's median), so a document listing a drug five times still gets one vote.

Routes

  • IV 60%
  • IV/IO/IM 20%
  • IV/IO/IM/ODT 20%

United States EMS Protocol Census, n=5 protocols from 5 named agencies / 2 states, updated Sep 2026

Named agencies

Agencies whose protocols are a public record are named here. Their own doses are on their own pages; this list carries no values.