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September 21, 2009
All adults over 40 should have their blood pressure checked annually. But just one blood pressure measurement is not sufficient to diagnose hypertension unless the reading is in the severe range. Some people also have 'white coat' hypertension in which their blood pressure rises when they are visiting a doctor but in normal at other times. In order to properly diagnose hypertension several measurements are needed- taken at different times and perhaps at different places.
