MacKenzie: monograph - pulse, apex beat
About this digital image
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.
Where to find it
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.
Creative Commons Attribution (CC BY 4.0) terms and conditions https://creativecommons.org/licenses/by/4.0