Known cardiovascular disease? Yes
aspirin-secondaryNo one has reached this rule yetLow-dose aspirin is standard unless a doctor has stopped it
No clinician has signed off this rule yet. It reflects our reading of the guidelines cited below, which has not been independently checked.
Word for word, as generated for the example person below. Figures in the text are theirs.
Low-dose aspirin (usually 81 mg daily) is standard for you unless your doctor has specifically stopped it.
Proven in trialsTrials counted real events, like heart attacks, strokes, or deaths, and this changed them.
Once you've had a heart attack, stroke, or stent, aspirin's benefit clearly outweighs its bleeding risk. This is one of the few places aspirin is still unambiguous. Don't stop it on your own — that carries real risk.
ACC/AHA (US)
The chronic coronary disease guideline grades low-dose aspirin (75 to 100 mg) for people with no indication for an oral anticoagulant. For symptomatic peripheral artery disease a single antiplatelet drug is also Class 1, Level A.
2023 AHA/ACC/ACCP/ASPC/NLA/PCNA Guideline for the Management of Pati… · Recommendation behind this rule · class and level read from the guideline tables on 2026-09-30
ESC (Europe)
Aspirin 75 to 100 mg daily is recommended lifelong after bypass surgery (I, A), and clopidogrel is an equal alternative after a heart attack or stent (I, A). Without a prior heart attack or revascularization but with significant obstructive coronary disease it is I, B.
2024 ESC chronic coronary syndromes guidelines · Recommendation tables · class and level read from the guideline tables on 2026-09-30
2023 AHA/ACC/ACCP/ASPC/NLA/PCNA Guideline for the Management of Patients With Chronic Coronary Disease · Class 1 · Level A
“Known heart disease” — an illustrative profile, not a real user.
Cited by the recommendations above.
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Runs in lib/engine/preventionEssentials.ts as aspirin-secondary.