Blood pressure is categorized into several levels:
Normal: Systolic less than 120 mmHg and diastolic less than 80 mmHg. Elevated: Systolic 120-129 mmHg and diastolic less than 80 mmHg. Hypertension Stage 1: Systolic 130-139 mmHg or diastolic 80-89 mmHg. Hypertension Stage 2: Systolic 140 mmHg or higher, or diastolic 90 mmHg or higher. Hypertensive Crisis: Systolic higher than 180 mmHg and/or diastolic higher than 120 mmHg.
