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Lecture 6 The heart as a pump heart sounds and cardiac output

Heart sounds. Mechanical events always follow electrical events (Study Fig 21-1)Heart sounds indirectly result from AV and Semilunar valve closure (reverberations and recoil of blood cause the actual sound) Valves open and close due to pressure changes within atria andventricles.4. Extra heart sounds (S3 and S4) may signify pathologic conditions. .

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Lecture 6 The heart as a pump heart sounds and cardiac output

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    1. Lecture 6 The heart as a pump (heart sounds and cardiac output) Part II Quiz Wed (last 20 mins)

    8. Cardiac Output

    16. Congestive Heart Failure

    17. Heart Rate

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