# Pre-high blood pressure: systolic pressure consistently 120 to 139, or diastolic 80 to 89
# Stage 1 high blood pressure: systolic pressure consistently 140 to 159, or diastolic 90 to 99
# Stage 2 high blood pressure: systolic pressure consistently 160 or over, or diastolic 100 or over
# Hypotension (blood pressure below normal): may be indicated by a systolic pressure lower than 90, or a pressure 25 mmHg lower than usual