Lessons in Auscultation: Basic Heart Sounds Module <br />Normal first and second heart sounds unsplit<br />
Littmann Learning Institute | Lesson 1 in Auscultation | Basic Heart Sounds Module | Normal first and second heart sounds ...
Littmann Learning Institute | Lesson 1 in Auscultation | Basic Heart Sounds Module | Normal first and second heart sounds ...
Littmann Learning Institute | Lesson 1 in Auscultation | Basic Heart Sounds Module | Normal first and second heart sounds ...
Littmann Learning Institute | Lesson 1 in Auscultation | Basic Heart Sounds Module | Normal first and second heart sounds ...
Littmann Learning Institute | Lesson 1 in Auscultation | Basic Heart Sounds Module | Normal first and second heart sounds ...
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Littmann Learning Institute | Lesson 1 in Auscultation | Basic Heart Sounds Module | Normal first and second heart sounds unsplit

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Chestpiece Position: Mitral
Maneuver: Supine

This is a normal first and second heart sound at 60 beats per minute. You are listening at the Mitral valve area (Apex). The first heart sound has slightly greater intensity than the second heart sound.

•The first heart sound is produced by the closing of the mitral and tricuspid valve leaflets.

•The second heart sound is produced by the closing of the aortic and pulmonic valve leaflets.

•The second heart sound is unsplit when the subject is holding his or her breath at peak expiration.

Published in: Health & Medicine
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Littmann Learning Institute | Lesson 1 in Auscultation | Basic Heart Sounds Module | Normal first and second heart sounds unsplit

  1. 1. Lessons in Auscultation: Basic Heart Sounds Module <br />Normal first and second heart sounds unsplit<br />

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