Category Systolic Blood Pressure Diastolic Blood Pressure
Optimal < 120 < 80
Normal < 130 < 85
High Normal 130 - 139 85 - 89
Hypertension
•Stage1:Mild 140 - 159 90 - 99
•Stage2:Moderate 160 - 179 100 - 109
•Stage3:Severe >180 >110
Isolated Systolic Hypertension >140 < 90
Important for Canadians:TheCanadianHypertensionEducationProgram(CHEP)recommendsthat
patients with average measurements of
135mmHg(systolic)or 85mgHg(diastolic)athomebe
considered hypertensive. Should your average readings be in this range, consult your physician.
For further information, see our website www.biosdiagnostics.com.
Further information
If your values are mostly “normal” under resting conditions but exceptionally high under conditions of physical or
psychological stress, it is possible that you are suffering from so-called ”labile hypertension”. In any case, please
discuss the values with your doctor.
Correctly measured diastolic blood pressure values above 120mmHg require immediate medical treatment.
1.5 Common Blood Pressure Questions and Answers
a)Why is my blood pressure reading always different?
Your blood pressure changes constantly. It is quite normal for blood pressure to fluctuate significantly (50 mmHg
to 60 mmHg) throughout the day. Blood pressure is normally lowest at night, but increases during waking hours
when the stress and activities of everyday life are highest.
mmHg
AM Time PM