Exam
S3 Heart Sound
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S3 Heart Sound
, S3 Gallop, S3 Gallup Rhythm, Third Heart Sound
Signs
S1, S2, S3 sound like "Ken-tuck-y" (lub-dub-dub)
Technique
Best heard in left lateral decubitus position
Causes
Normal
Age under 40 years
Third Trimester of pregnancy
Left or Right Ventricle Volume Overload
Mitral Regurgitation
Tricuspid Regurgitation
Congestive Heart Failure
Resources
University of Michigan Heart Sound and Murmur Library
http://www.med.umich.edu/lrc/psb/heartsounds/
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