The Canadian Hypertension Education Program makes the following recommendations for ABPM for 2015
The appropriately sized cuff should be applied to the nondominant arm unless the SBP difference between arms is > 10 mm Hg, in which case the arm with the highest value obtained should be used The device should be set to record for a duration of at least 24 h, with the measurement frequency set at 20- to 30-min intervals during the day and 30- to 60-min intervals at night A patient-reported diary to define daytime (time awake), nighttime (time sleeping), activities, symptoms, and medication administration is useful for study interpretation Daytime and nighttime should preferrably be defined using the patient’s diary. Alternatively, predefined thresholds can be used (eg, 8 AM to 10 PM for day and 10 PM and 8 AM for night) The ABPM report should include all of the individual BP readings (both numerically and graphically), the percentage of successful readings, the averages for each time frame (daytime, nighttime, 24 h), and the “dipping” percentage (the percentage the average BP changed from daytime to nighttime) Criteria for a successful ABPM study are as follows:
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