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Patient handout

Infective endocarditis (Duke-ISCVID)

PRODUCTION

1. Your condition

This handout is for infective endocarditis (duke-iscvid). Your care team identified this based on: fever + new murmur / vegetation (acc/aha 2022).

Other reasons your team may use this plan: persistent bacteremia (≥2 sets, typical organism) (acc/aha 2022); embolic stroke, septic emboli, janeway / osler / roth (acc/aha 2022); tte/tee vegetation, abscess, prosthetic dehiscence (acc/aha 2022).

2. Your medications

Take these medications exactly as prescribed. Do not stop or change a dose without talking to your provider.

MedicationStarting doseHowWhenWhat it does
vancomycin25–30 mg/kg load IV → 15–20 mg/kg q8–12h targeting AUC24 400–600IVq8–12hCovers MRSA + Streptococci; AUC-guided dosing (ACC/AHA 2022)
ceftriaxone2 g IV q24hIVq24hCovers Streptococci, HACEK (ACC/AHA 2022)
ampicillin2 g IV q4hIVq4hCovers Enterococci (ACC/AHA 2022)
gentamicin3 mg/kg/d IV (divided q8h or once daily) — synergyIVq8hAHA 2015 — no longer routine for native S. aureus IE

Plan: IE pathogen-directed antibiotics + surgical decision (2023 AHA/ACC + ESC)

4. When to seek emergency care

Call 911 or go to the nearest emergency room right away if you have:

  • ≥1 of: HF from valve destruction / uncontrolled infection / abscess / persistent bacteremia >5 d / vegetation >10 mm + embolic / prosthetic / perivalvular extension (ACC/AHA 2022)
  • CIED system infection (pocket, lead, valve) (ACC/AHA 2022)
  • BCs positive >5 d on appropriate abx (ACC/AHA 2022)
  • Vegetation >10 mm + ≥1 embolic event OR vegetation >15 mm (ACC/AHA 2022)
  • IE complicated by septic shock (ACC/AHA 2022)(life-threatening)
  • Acute stroke as IE complication (ACC/AHA 2022)(life-threatening)

5. Follow-up

Post-treatment echo; dental clearance; long-term IE prophylaxis per AHA/ESC indications

6. Sources

Guideline: 2023 AHA/ACC IE focused update + ESC 2023 IE Guidelines + Duke-ISCVID 2023 + POET (NEJM 2019)

  1. pubmed.ncbi.nlm.nih.gov/30152252
  2. pubmed.ncbi.nlm.nih.gov/37622656
  3. pubmed.ncbi.nlm.nih.gov/26373316