US EMS Protocol Census
Indication

Atropine for Organophosphate poisoning

1,335 under review114 sources96 named agencies30 statesas of 2026-09-20

Adult dosing has a median of 2 mg across 106 published protocols, with the middle half between 2 and 2.

114sources
96named agencies
30states
213entries
94named here

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

Adultmg

106sources
88named agencies
30states
119entries
1kept as written
minp25medianp75max
12224

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/IO 34%
  • IV 24%
  • IV/IO/IM 21%
  • IV/IM 13%
  • IM 8%
  • IO 1%
  • IO/IM 1%

United States EMS Protocol Census, n=106 protocols from 88 named agencies / 30 states, updated Sep 2026

Pediatric, weight-basedmg/kg

75sources
62named agencies
25states
78entries
0kept as written
minp25medianp75max
0.020.020.050.050.1

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

Routes

  • IV/IO 40%
  • IV 27%
  • IV/IO/IM 17%
  • IV/IM 10%
  • IM 4%
  • IO 1%
  • IO/IM 1%

United States EMS Protocol Census, n=75 protocols from 62 named agencies / 25 states, updated Sep 2026

Pediatricmg

11sources
9named agencies
8states
11entries
4kept as written
minp25medianp75max
0.50.75224

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/IO/IM 36%
  • IM 27%
  • IV 18%
  • IV/IO 18%

United States EMS Protocol Census, n=11 protocols from 9 named agencies / 8 states, updated Sep 2026

Adult, weight-basedmg/kg

4sources
4named agencies
4states
5entries
0kept as written

Below 5 sources, so no distribution is published for this group — only the counts above.

Routes

  • IV/IO 40%
  • IV/IO/IM 40%
  • IV 20%

United States EMS Protocol Census, n=4 protocols from 4 named agencies / 4 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.