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MacKenzie: monograph - pulse, apex beat


Free to use with attribution CC BYCredit: Wellcome Collection
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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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You can use this work for any purpose, including commercial uses, without restriction under copyright law. You should also provide attribution to the original work, source and licence.

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MacKenzie: monograph - pulse, apex beat. Credit: Wellcome Collection. CC BY

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