US EMS Protocol Census
Indication

Diltiazem for Narrow-complex tachycardia

1,335 under review45 sources39 named agencies22 statesas of 2026-09-20

Adult weight-based dosing has a median of 0.25 mg/kg across 28 published protocols, with the middle half between 0.25 and 0.25.

45sources
39named agencies
22states
49entries
38named here

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

Adult, weight-basedmg/kg

28sources
25named agencies
16states
30entries
0kept as written
minp25medianp75max
0.250.250.250.250.3

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 77%
  • IV 20%
  • IO 3%

United States EMS Protocol Census, n=28 protocols from 25 named agencies / 16 states, updated Sep 2026

Adultmg

17sources
14named agencies
10states
18entries
0kept as written
minp25medianp75max
7.510101520

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 61%
  • IV 39%

United States EMS Protocol Census, n=17 protocols from 14 named agencies / 10 states, updated Sep 2026

Pediatric, weight-basedmg/kg

1sources
0named agencies
1states
1entries
0kept as written

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

Routes

  • IV 100%

United States EMS Protocol Census, n=1 protocols from 0 named agencies / 1 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.