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MacKenzie: monograph - pulse, apex beat


Attribution 4.0 International (CC BY 4.0)

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Credit: MacKenzie: monograph - pulse, apex beat. Credit: Wellcome Collection. Attribution 4.0 International (CC BY 4.0)

About this work


In this classical monograph MacKenzie included a description and illustration of his polygraph, with which he made simultaneous tracings of the pulse, apex beat, etc. Shown here: tracings of a patient suffering from extreme heart failure.

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