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Heart Sounds Introduction
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Heart Murmur
Normal Heart Sounds
First Heart Sounds
Second Heart Sounds
Extra Heart Sounds (S3 & S4)
Systolic Murmurs
Diastolic Murmurs
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Congenital Abnormalities
Cardiac Conditions Assoc. with Sudden Death
Heart Sounds in Primary Care
Auscultation Repetition Training
Heart Sounds Guide
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Lung Sounds Introduction
Basic Lung Sounds
Intermediate Lung Sounds
Lung Sounds Guide
Intro To Lung Sounds
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Measuring Blood Pressure Procedure
Adult Case Studies Part I
Adult Case Studies Part II
High Blood Pressure in Children
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Hypertrophic Cardiomyopathy
- C402, #93
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play
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Listen for 2-3 minutes
Supine
Diaphragm
Listening Tips
S1:
Increased intensity. Can be loudest at tricuspid area (4th ICS).
Systole:
Diamond-shaped, early peaking, harsh.
Diastole:
S4 gallop is present.
Repetition Training - Intermediate Heart Sounds
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Lesson Text
An early peaking, harsh diamond shaped systolic murmur starts at the beginning of systole and ends well before the second heart sound. A fourth heart sound gallop is also present in diastole as you can readily see on the wave form tab.
S1 is increased due to a hyperdynamic left ventricle. S2 is single.
On the anatomy tab you can see that the contraction of the left ventricle is strong and occurs in a reduced amount of time. Anatomically, the septal wall is very much thicker than the rest of the ventricle but this is not shown in the animation.
The strong contraction of the left ventricle causes the anterior leaflet to be sucked into the ventricle, blocking the flow into the aorta and causing an aortic murmur. At the same time turbulent flow from the left ventricle to the left atrium causes a second murmur. Since the two murmurs occur at the same time you hear a single murmur.
You can hear the difference between the two murmurs by moving the stethoscope head the aortic to the mitral valve area. First, you will hear the diamond shaped aortic murmur and later the rectangular pansystolic murmur.
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soundID
71
maneuver
Supine
Title
Hypertrophic Cardiomyopathy
Position
Mitral
realSoundID
caseID
93
S1
Increased intensity. Can be loudest at tricuspid area (4th ICS)
Systole
Diamond-shaped, early peaking, harsh
S2
Diastole
S4 gallop is present
features
lung sounds
False
chestpiece
Diaphragm
c402
CaseID
93
CourseID
26
CourseCaseOrder
7
ID
82