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Pharmacology · single question

A successfully repaired Tetralogy of Fallot in a 32-year-old female: what is the antibiotic prophylaxis requirement for routine dental procedures?

  1. Clindamycin prophylaxis for all procedures
  2. Prophylaxis required only for surgical procedures
  3. No prophylaxis required
  4. Standard amoxicillin prophylaxis for all procedures
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Correct answer: C. No prophylaxis required

  • A. Incorrect. Clindamycin is used as an alternative in penicillin-allergic patients, but prophylaxis itself is not indicated here.
  • B. Incorrect. Even for surgical procedures, if the AHA criteria for prophylaxis are not met (as in this case), prophylaxis is not required.
  • C. Correct. Per the 2007 AHA endocarditis prophylaxis guidelines, successfully REPAIRED Tetralogy of Fallot with NO residual defects and NO prosthetic material does NOT require antibiotic prophylaxis for routine dental procedures. The cardiac condition is considered effectively treated.
  • D. Incorrect. Standard prophylaxis is not required for a fully and successfully repaired ToF without residual defects.

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