Heart and Lung Sounds

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Heart and Lung Sounds

• Temple College
• EMS Professions

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Lung Sounds
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Sites for Chest Auscultation
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Posterior Auscultation
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Anterior Auscultation
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Normal Lungs Sounds

• Trachea
• Loud/Harsh
• Equal inspiratory and expiratory
• Bronchal
• Loud, high pitched, hollow
• Prolonged expiratory
• Bronchovesicular
• Soft, breezy, lower pitch
• Equal inspiratory and expiratory
• Vesicular
• Soft, s

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Adventious Lung Sounds

• Crackles
• Wheezes
• Rhonchi

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Heart Sounds

• S1 Lub
• S2 dub
• Split
• S1 la-lub
• S2 da-dub
• S3 lub-dud-dee
• S4 dee-lub-dub

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Heart Sounds

• Click
• Snap
• Murmur
• Friction Rub
• Muffled