Oro-Maxillofacial Surgery MCQ Answer 1

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The Correct Answer is A

ENDOCARDITIS PROPHYLALXIS RECOMMENDED

High-risk category

-Prosthetic heart valves, including bioprosthetic and homograft valves

-Previous bacterial endocarditis

-Complex cyanotic congenital heart disease (e.g., single ventricle states, transposition of the great

arteries,

tetralogy of Fallot)

-Surgically constructed systemic pulmonary shuts or conduits

Moderate-risk category

-Most other congenital cardiac malformations (other than above or below)

-Acquired valvar dysfunction (e.g., rheumatic heart disease)

-Hypertrophic cardiomyopathy

-Mitral valve prolapse with valvar regurgitation and or thickened leaflets

ENDOCARDITIS PROPHYLAXIS NOT RECOMMENDED

Negligible-risk category

-Isolated secundum atrial septal defects

-Surgical repair of atrial septal defect, ventricular septal defect, or patent ductus arteriosus (without

residua beyond 6 months)

-Previous coronary artery biopsy graft surgery

-Mitral valve prolapse without valvar regurgitation

-Physiologic, functional, or innocent heart murmurs

-Previous Kawasaki disease without valvar dysfunction

-Previous rheumatic fever without valvar dysfunction

-Cardiac pacemakers (intravascular and epicardial) and implanted defibrillators

Ref: Commander M. A. Huber, DC, USN, REVIEW OF ANTIMICROBIAL PROPHYLAXIS, Clinical Update - July 1997,