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Three measures of sound: intensity, frequency, duration
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- All 26 lessons with their "Check yourself" questions
- 22 clinical cases, plus new cases built from real patient recordings
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Sections you can use without joining: Sound atlas · Disease guide · Pocket card · Glossary. The first lesson of each module is also open: Respiratory sounds in 5 minutes · The four normal breath sounds · Classification and terms · Auscultation technique · From sound to differential diagnosis · Upper airway, stridor and snoring · Digital stethoscopes and recording.