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Heart Murmur
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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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High Blood Pressure in Children
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Innocent Murmur
- C401, #36
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play
pause
Listen for 2-3 minutes
Supine
Bell/Diaphragm
Listening Tips
Systole:
Early, short duration murmur, increases with inspiration.
Repetition Training - Basic Heart Sounds
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Lesson Text
This is an example of an innocent murmur.
This type of murmur is seen with non-cardiac conditions such as pregnancy, hyperthyroidism, exercise and anemia. When these are treated appropriately the systolic murmur disappears.
The murmur is heard in early systole, is of short duration and has a frequency range of 120 hz to 250 hz. It is best auscultated in the pulmonic area and increases in intensity with inspiration. It can be heard with either the bell or diaphragm.
In this example S1 and S2 are normal. Diastole is silent.
The short duration and mid-range frequency characterize an innocent murmur.
Comments on this beta version will be welcomed. Send to: comments@easyauscultation.com
soundID
14
maneuver
Supine
Title
Innocent Murmur
Position
Pulmonic
realSoundID
caseID
36
S1
Systole
Early, short duration murmur, increases with inspiration
S2
Diastole
features
lung sounds
False
chestpiece
Bell/Diaphragm
c401
CaseID
36
CourseID
22
CourseCaseOrder
5
ID
21