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Auscultation in Primary Care
First and Second Heart Sounds - Reduced Intensity
Sounds
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This is a simulation of a first heart sound and a second heart sound with greatly reduced intensity. This can be seen in an obese patient or a patient with emphysema.
It is a challenge to your ability to hear these reduced intensity sounds.
play
pause
The recommended auscultation position for the stethoscope is the
Mitral
position. For this sound, use stethoscope's
Diaphragm
.
The recommended patient position is
Supine
Phonocardiogram
This waveform plots sound amplitude on the vertical axis against time on the horizontal axis.
Heart Animation
Lessons
1
First and Second Heart Sounds - Normal and Unsplit
2
First and Second Heart Sounds - Reduced Intensity
3
Second Heart Sound - Splitting
4
Third Heart Sound Gallop
5
Fourth Heart Sound Gallop
6
Third and Fourth Heart Sound Gallop
7
Summation Gallop at 120 beats per minute
8
Second Heart Sound - Fixed Splitting
9
Mid-Systolic Click
10
Mitral Valve Leaflet Prolapse
11
Aortic Stenosis (Diamond Shaped Systolic Murmur)
12
Aortic Regurgitation (Decrescendo Diastolic Murmur)
13
Mitral Regurgitation (pansystolic Murmur)
14
Mitral Stenosis (Diastolic Murmur)
Practice Drill
Listening Tips
A synopsis of important sound features and timing for this abnormality.
S1:
Reduced intensity.
S2:
Reduced intensity.
CaseID
118
CourseID
31
CourseCaseOrder
2
ID
112