The Auscultation Assistant
Diagnosing abnormal and normal heart sounds
This provides text description and audio examples of various heart and breath sounds. The sounds are broken up into certain catagories. The heart sounds are divided into systolic, where you can hear aortic stenosis, mitral regurgitation, etc.., and diastolic, where you can hear mitral stenosis, aortic regurgitation, etc.. The lung sounds provide examples of cackles and wheezes.