According to the American Heart Association, normal blood pressure ranges are: - Normal: Less than 120/80 mmHg - Elevated: Systolic between 120-129 and diastolic less than 80 - Hypertension Stage 1: Systolic between 130-139 or diastolic between 80-89 - Hypertension Stage 2: Systolic at least 140 or diastolic at least 90 - Hypertensive crisis: Systolic over 180 and/or diastolic over 120, requiring immediate medical attention
