It is the 24-hour recording of the blood pressure, with the aid of a portable sphygmomanometer device attached to the arm. The measurements of diastolic and systolic pressure, as well as of the number of pulses, are performed every half hour during the day and every hour during the night.
The 24-hour recording of the blood pressure is the optimal method for the detection of damages in target organs of abnormal blood pressure such as the heart, kidneys and eyes. Furthermore, it is independent of the stress factor caused by the medical gown. It permits the classification of patients into dipper and non dipper and the more correct and better adjustment of the medication.