Although the Omron M500 Upper arm blood pressure monitor of the Hypertension Society has been certified as a measurement tolerances stop utensil, partly unacceptable deviations in the results of several consecutive measurements have arisen in its application. Both the systolic and diastolic value occurred deviations up to 16 mmHg, the heart rate, there were several times deviations of 15 / min, in one case even 30 (!). In two series of measurements, the measurement results were repeatedly rejected and error E4 ("movement during the measurement") or E5 ("clothing hinders the cuff") appears, although I had restrained myself absolutely still during the measurement and the upper arm was unclothed. I hope that it is a copy of error and ordered replacement does not have these shortcomings.
