Omron M3 Upper Arm Blood Pressure Monitor This full featured fully automatic Omron M3 Intellisense Upper Arm Blood Pressure Monitor offers everythign necessary for comfortable, quick & accurate blood pressure monitoring. The Intellisense technology ensures comfortable inflation. The Omron M3 Intellisense Upper Arm Blood Pressure Monitor also detects irregular pulses & determines if a measurement is reliable or whether it needs to be repeated. The Omron M3 Intellisense Upper Arm Blood Pressure Monitor only displays accurate results, if an irregular pulse is detected a heart icon is shown on the display to indicate this.