A lecture on the identification and characterization of heart murmurs. Changes for this revised version include: - Video recompiled in high definition and in wide screen format. - Narration rerecorded. - Audio clips of murmurs remastered. - Copyrighted images used under fair use principles replaced with original images or those in public domain. - Soundtrack replaced with original arrangement and rendering. - Copyright notice added. Please leave comments/feedback/questions.