Five hundred repetitions of four basic cardiac murmurs significantly improved auscultatory proficiency in recognizing basic cardiac murmurs by medical students. These results suggest that cardiac auscultation is, in part, a technical skill.
Related resources
The Heart Sounds Tutorial by Blaufuss.org is a fancy flash-based simulator with animations. The McGill University Virtual Stethoscope is another useful website. Click here for more web-based teaching resources for hearts sounds from UCLA and breath sounds from Loyola University.
References:
Mastering cardiac murmurs: the power of repetition. Barrett MJ, Lacey CS, Sekara AE, Linden EA, Gracely EJ. Chest. 2004 Aug;126(2):470-5.
http://www.ncbi.nlm.nih.gov/pubmed/15302733 Image source: Modern stethoscope. Wikipedia, public domain.
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