US EMS Protocol Census
Indication

Atropine for Bradycardia

1,335 under review167 sources147 named agencies40 statesas of 2026-09-20

Adult dosing has a median of 1 mg across 164 published protocols, with the middle half between 0.6875 and 1.

167sources
147named agencies
40states
320entries
142named here

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

Adultmg

164sources
144named agencies
40states
168entries
1kept as written
minp25medianp75max
0.50.6875111

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 75%
  • IV 23%
  • IO 1%
  • IV/IM 1%

United States EMS Protocol Census, n=164 protocols from 144 named agencies / 40 states, updated Sep 2026

Pediatric, weight-basedmg/kg

139sources
124named agencies
36states
142entries
0kept as written
minp25medianp75max
0.010.020.020.020.03

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 73%
  • IV 24%
  • ET 1%
  • IO 1%
  • IV/IM 1%

United States EMS Protocol Census, n=139 protocols from 124 named agencies / 36 states, updated Sep 2026

Adult, weight-basedmg/kg

10sources
9named agencies
8states
10entries
0kept as written
minp25medianp75max
0.020.020.020.020.02

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 100%

United States EMS Protocol Census, n=10 protocols from 9 named agencies / 8 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.