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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.

First and Second Heart Sounds - Reduced Intensity
  • play
  • pause

The recommended auscultation position for the stethoscope is the Mitral position. For this sound, use stethoscope's Diaphragm.


maneuver
The recommended patient position is Supine

Phonocardiogram

waveform
This waveform plots sound amplitude on the vertical axis against time on the horizontal axis.

Heart Animation

Lessons
1First and Second Heart Sounds - Normal and Unsplit
2First and Second Heart Sounds - Reduced Intensity checkmark
3Second Heart Sound - Splitting
4Third Heart Sound Gallop
5Fourth Heart Sound Gallop
6Third and Fourth Heart Sound Gallop
7Summation Gallop at 120 beats per minute
8Second Heart Sound - Fixed Splitting
9Mid-Systolic Click
10Mitral Valve Leaflet Prolapse
11Aortic Stenosis (Diamond Shaped Systolic Murmur)
12Aortic Regurgitation (Decrescendo Diastolic Murmur)
13Mitral Regurgitation (pansystolic Murmur)
14Mitral Stenosis (Diastolic Murmur)
left button        right button
Practice Drill



Listening Tips
A synopsis of important sound features and timing for this abnormality.
S1: Reduced intensity.
S2: Reduced intensity.
CaseID118
CourseID31
CourseCaseOrder2
ID112



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This website is only for medical professional education. Contact a healthcare provider for medical care. Copyright 2011-2020 © MedEdu LLC. All Rights Reserved. About | Privacy Policy | Email

  • mededu company logo
  • facebook like
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  • email share