Endocarditis
WikEM overview of Endocarditis: https://www.wikem.org/wiki/Endocarditis
Specifics on infective endocarditis: http://lifeinthefastlane.com/ccc/infective-endocarditis/
Duke Criteria Calculator for diagnosing infective endocarditis: http://www.medcalc.com/endocarditis.html
Endocarditis in children: http://pedemmorsels.com/endocarditis-in-children/