Medication required preoperatively for a patient with mitral valve replacement

 # Which of the following medication is required preoperatively for a patient with mitral valve replacement?
A. Ampicillin
B. Cloxacillin
C. Benzathine penicillin
D. Procaine penicillin

The correct answer is: A. Ampicillin. 

Cardiac Conditions Associated with the Highest Risk of Adverse Outcome from Endocarditis for Which Prophylaxis with Dental Procedures Is Recommended
• Prosthetic cardiac valve
• Previous infective endocarditis
• Congenital heart disease (CHD)*
-Unrepaired cyanotic CHD, including palliative shunts and conduits
- Completely repaired congenital heart defect with prosthetic material or device, whether placed by surgery or by catheter intervention, during the first 6 months after the procedure†
- Repaired CHD with residual defects at the site or adjacent to the site of a prosthetic patch or prosthetic device (which inhibit endothelialization)
• Cardiac transplant recipients who have cardiac valvulopathy

*Except for the conditions listed above, antibiotic prophylaxis is no longer recommended for any other form of CHD.
†Prophylaxis is recommended because endothelialization of prosthetic material occurs within 6 months after the procedure.


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