US EMS Protocol Census
Indication

Hydralazine for Other

1,335 under review13 sources8 named agencies10 statesas of 2026-09-20

Adult dosing has a median of 10 mg across 13 published protocols, with the middle half between 5 and 10.

13sources
8named agencies
10states
21entries
8named here

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

Adultmg

13sources
8named agencies
10states
19entries
0kept as written
minp25medianp75max
55101020

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 63%
  • IV/IM 16%
  • IV/IO 16%
  • IM 5%

United States EMS Protocol Census, n=13 protocols from 8 named agencies / 10 states, updated Sep 2026

Pediatric, weight-basedmg/kg

2sources
1named agencies
2states
2entries
0kept as written

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

Routes

  • IV 50%
  • IV/IM 50%

United States EMS Protocol Census, n=2 protocols from 1 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.