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3M<sup>™</sup> Littmann® YouTube

CD-ROM Courses

Learn to identify heart and lung sounds

Expand your knowledge of auscultation

Expand your knowledge of auscultation
Train yourself to hear the differences between normal and abnormal heart and lung sounds with our multimedia CD-ROM courses. Through audio clips, synchronized waveform displays and detailed diagrams, you’ll support your work as a healthcare professional. Complete the courses at your own pace, whenever is most convenient for you.

CDs are only compatible with Microsoft Windows 98/ME/2000/XP or Macintosh OS X 10.1.


Learning Lung Sounds

Learning Lung Sounds

Whether you’re a physician, nurse, respiratory therapist or student, this course includes the clinical information on lung sounds that you need to know to aid in diagnosis


  • Audio with synchronized waveform of normal and abnormal lung sounds
  • Detailed description of underlying lung sound mechanisms
  • Lung sound patterns and textual descriptions
  • Case studies

More about this course More about this course

Introduction to Heart Sounds

Introduction to Heart Sounds

Learn the origins and characteristics of heart sounds and murmurs. Hone your diagnostic skills with audio clips and corresponding waveform displays


  • Audio with synchronized waveform of normal and abnormal heart sounds
  • Detailed descriptions of underlying heart sounds and murmurs
  • Murmur mechanism guide
  • Heart anatomy diagrams and textual descriptions

More about this course More about this course


Find the right Littmann® Stethoscope

Compare stethoscope features and styles.

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Buy Smart

To ensure that your 3M™ Littmann® Stethoscope is the real deal, purchase it online or in person through authorized retailers only. Beware of counterfeit 3M™ Littmann® Stethoscopes sold by unauthorized outlets.

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