Updated 07 July 2014

24 Hour monitoring: ambulatory blood pressure

It is mostly used to establish if white coat hypertension is only white coat hypertension and not real hypertension.

By wearing a small portable device for 24 hours, doctors can obtain an overview of your blood pressure, as it varies during the day.  Although not routinely used, it can provide valuable information under certain circumstances.

It is also used in certain cases of borderline hypertension, where the true extent of the possible hypertension is very significant.  This is when clinical signs of organ damage are found, for example, abnormal kidney function or an enlarged heart.


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Dr Jacomien de Villiers qualified as a specialist physician at the University of Pretoria in 1995. She worked at various clinics at the Department of Internal Medicine, Steve Biko Hospital, these include General Internal Medicine, Hypertension, Diabetes and Cardiology. She has run a private practice since 2001, as well as a consultant post at the Endocrine Clinic of Steve Biko Hospital.

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