The way a manual sphigmomanometer works is different from the way the electronic ones do[1], I would not be surprised if for a few people something else affects

The way a manual sphigmomanometer works is different from the way the electronic ones do[1], I would not be surprised if for a few people something else affects the reading of the pressure in the arm band. [1] Oscillometric vs. Auscultatory, JFYI: https://news.ycombinator.com/item?id=36550719 https://news.ycombinator.com/item?id=36550719