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Educational draft · awaiting clinical reviewUse Rapid for revision, not patient-care decisions. Check current national and local guidance and the BNF or BNFC before acting.
Rapidsecondary preventionMIantiplateletslipidsACE inhibitor

Secondary prevention after myocardial infarction

Essential points for quick revision.

Synopsis

Build and monitor the UK post-MI package that reduces recurrent atherothrombotic events, heart failure and preventable treatment harm.

  • After MI, the core package is antiplatelet therapy, high-intensity lipid lowering, an ACE inhibitor (or ARB if intolerant), appropriate beta-blockade, lifestyle support and cardiac rehabilitation.
  • Aspirin 75 mg daily is normally continued indefinitely; dual antiplatelet therapy is usually continued for up to 12 months, but the chosen P2Y12 inhibitor and duration depend on ACS strategy, bleeding risk and any anticoagulation indication.
  • Offer atorvastatin 80 mg unless a lower dose is justified; NICE secondary-prevention targets are LDL cholesterol 2.0 mmol/L or less, or non-HDL cholesterol 2.6 mmol/L or less.

Investigation priorities

01
Lipid profileFirst step

Establish baseline and assess response to high-intensity therapy.

Management branches

First-lineBefore discharge

Any confirmed MI

  1. Reconcile aspirin plus the indicated P2Y12 inhibitor, recording the intended DAPT end/review date and any anticoagulant interaction.
  2. Start atorvastatin 80 mg unless a lower intensity is justified, and start ACE inhibition once stable; add beta-blocker when appropriate.

Key medicines

Aspirin75 mg orally once daily long term after the acute loading phase.
TicagrelorAfter a 180 mg loading dose, 90 mg orally twice daily for up to 12 months in ACS when selected; 60 mg twice daily is the separate extended-treatment dose for eligible high-risk patients beyond 1 year.
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Sources and review status6 sources · checked 27 Aug 2026 · clinical review pending
Sources

Sources and review status

National guidance is shown before implementation-dependent detail. Typical adult dose examples remain subject to patient factors, contraindications and the live BNF or specialist protocol. Source check completed 27 Aug 2026; clinical approval remains outstanding.

Authoring stateRapid draftClinical stateAwaiting reviewJurisdictionUnited Kingdom