Every sound the body makes, in one place.

Everything you need to learn to listen

A player built for listening. Loop a sound, slow it to a quarter of its speed without changing its pitch, and drag across the waveform to replay just the murmur. A phonogram shows where each sound falls in the cycle.

Hear the difference in close pairs. Play two sounds back to back and switch between them at the same moment in the cycle, so pairs like S3 and S4 finally sound different.

Practice until you can name it. Name it, find it, and same or different, in rounds of ten. Sounds you get wrong come back on a schedule until you get them right.

Know where to listen. Tap a cardiac auscultation site on the chest, drawn over the ribs, to hear the sounds heard best there.

28 sounds, 48 recordings

Each with what to listen for, why it happens and where it’s heard best.

Heart: Aortic regurgitation, Aortic stenosis, Atrial septal defect, Coarctation of the aorta, Holosystolic murmur, Hypertrophic cardiomyopathy, Innocent murmur, Mitral stenosis, Mitral valve prolapse, Normal heart sounds, Patent ductus arteriosus, Pericardial friction rub, Pulmonic stenosis, S3 heart sound, S4 heart sound, Split S1, Split S2.

Lungs: Bronchophony, Crackles, Egophony, Normal breath sounds, Pleural rub, Stridor, Wheezes and rhonchi.

Abdomen: High-pitched bowel sounds, Hyperactive bowel sounds, Hypoactive bowel sounds, Normal bowel sounds.

Start listening

One Medzcool account works across Auscultate, Clinic, Kardiograph and Laboratory. A free account opens 6 sounds. Basic opens all 28, the body map, Compare and Practice: $8 a month or $60 a year.