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S1 Heart Sound

Aka: S1 Heart Sound, First Heart Sound
  1. See Also
    1. Heart Auscultation
    2. S2 Heart Sound
    3. S3 Heart Sound
    4. S4 Heart Sound
    5. Heart Murmur
    6. Pediatric Murmur
  2. Physiology
    1. S1 Heart Sound represents closure of the mitral and tricuspid valves
  3. Causes: S1 Augmented
    1. Increased Cardiac Output
      1. Anemia
      2. Hyperthyroidism
    2. Mitral Stenosis
  4. Causes: S1 Diminished
    1. First degree AV Block
    2. Mitral Regurgitation
    3. Congestive Heart Failure
    4. Coronary Artery Disease
  5. Causes: S1 Variable
    1. Third degree AV Block
    2. Atrial Fibrillation
  6. Examples
    1. S1 with Wide Split
      1. HeartNormalSplitS1Tricuspid.wav
      2. HeartWideSplitS1.wav
  7. Resources
    1. University of Michigan Heart Sound and Murmur Library
      1. http://www.med.umich.edu/lrc/psb/heartsounds/

First heart sound, S>1< (C0232223)

Concepts Finding (T033)
SnomedCT 47309005
English First heart sound, S1 (function), First heart sound, S1, function (observable entity), First heart sound, S1, First heart sound, S<sub>1</sub> (function), First heart sound, S<sub>1</sub>, function (observable entity), First heart sound, S<sub>1</sub>, First heart sound, S1, function, First heart sound, S<sub>1</sub>, function, First heart sound, S>1<, function, First heart sound, S<sub>1</sub>, NOS, First heart sound, S1, NOS, First heart sound, S>1<, NOS, First heart sound, S>1<, function (observable entity), First heart sound, S>1<, First heart sound, S>1< (function)
Spanish primer ruido cardíaco, R1, primer ruido cardíaco, R1 (función), primer ruido cardíaco, R<sub>1</sub>, primer ruido cardíaco, R<sub>1</sub> (entidad observable), primer ruido cardíaco, R1 (entidad observable), primer ruido cardíaco, R<sub>1</sub> (función), primer ruido cardíaco, R>1< (entidad observable), primer ruido cardíaco, R>1< (función), primer ruido cardíaco, R>1<
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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