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Medication

Aspirin in US EMS protocols

224protocols
188named agencies
49states and regions
7indications
295dose entries
100% of 295machine-parsed

Includes 3 agencies outside the US.

IndicationSpread: box is the middle half, dot means most agreeRange
ACS / chest pain AdultMost use 324 mg matches NASEMSO range 160 to 325 mg, n=178
Other AdultMost use 324 mg range 160 to 325 mg, n=60
Mild to moderate pain Adult324 to 650 mg median 324, n=7
STEMI AdultMost use 324 mg matches NASEMSO range 324 to 325 mg, n=12

Too few protocols to chart yet (protocols in brackets): Fever (1), Stroke (1), Trauma / hemorrhage (2)

Doses far off from what other protocols give are likely misreads, so they are left out until checked. How that works.

Named agencies with a page184

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

Cite this

United States EMS Protocol Census, Aspirin: n=224 protocols from 188 named agencies / 49 states, as of 2026-10-31

MethodologyData licenseStudy your own protocol in the app

Training reference compiled from published protocols. Not a clinical order. Verify with your agency and medical director.