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Blood Pressure Guide

Enter your reading to understand what it means and what to do next.

Check Your Blood Pressure

Enter your systolic (top number) and diastolic (bottom number) reading.

SystolicDiastolic
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Blood Pressure Categories

CategorySystolicDiastolic
Low (Hypotension)Below 90Below 60
NormalLess than 120Less than 80
Elevated120–129Less than 80
High — Stage 1130–13980–89
High — Stage 2140 or higher90 or higher
Crisis — Seek Care NOWHigher than 180Higher than 120

Tips for Accurate Readings

Sit quietly for 5 minutes before taking your reading. Keep your arm at heart level. Do not smoke, exercise, or drink caffeine 30 minutes before. Take two or three readings and use the average.

When To Call 911

If your blood pressure is above 180/120 AND you have chest pain, shortness of breath, numbness, vision changes, or severe headache — call 911 immediately. This is a hypertensive crisis.

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