Heart auscultation

General information
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Heart auscultation

Optimal conditions are a quiet environment and a patient lying as relaxed as possible. The high frequency of heart sounds can be heard better through the membrane of the stethoscope than through the bell without membrane.

Auscultation sites:

Aortic valve: 2nd ICR right
Pulmonary valve: 2nd ICR left
Tricuspid valve: 4.ICR right
Mitral valve: 5.ICR left
Erb point: 3.ICR left

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1st heart sound: Apex of the heart
2.heart sound: apex of the heart ( amplified in the 2nd ICR left)
3.heart sound: apex of the heart (reinforced in left side position)
4th heart sound: absolute heart attenuation
summation gallop: absolute heart damping
Mitral opening tone: between the apex of the heart and the sternal border (reinforced in left side position)
tricuspid valve opening tone: absolute heart attenuation (amplified in right lateral position)
Pulmonary dilation tone: 2nd ICR left parasternal
Aortic dilatation tone: 2nd ICR left parasternal to the apex of the heart
Systolic click: Tip of the heart