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Medical Emergencies · single question

A 14-year-old girl has successfully repaired Tetralogy of Fallot. Does she need antibiotic prophylaxis (SBE prophylaxis) before dental procedures?

  1. Yes — all congenital heart disease patients require prophylaxis
  2. No — successfully repaired Tetralogy of Fallot with no residual defects does NOT require prophylaxis after 6 months post-repair
  3. Yes — children under 18 always require prophylaxis regardless of cardiac status
  4. No — antibiotic prophylaxis for dental procedures is no longer recommended for any patient
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Correct answer: B. No — successfully repaired Tetralogy of Fallot with no residual defects does NOT require prophylaxis after 6 months post-repair

Per the 2007 AHA guidelines, patients with congenital heart disease who have undergone complete repair with prosthetic material do NOT require SBE prophylaxis after 6 months if there are no residual defects. Tetralogy of Fallot that has been successfully repaired falls into this category. Prophylaxis IS still required for unrepaired or residual defects, prosthetic cardiac valves, and prior IE history.

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