Is Blood Pressure 100/70 Considered Low?

When a person has a blood pressure reading of 100 mmHg systolic and 70 mmHg diastolic, this falls within the normal range and is not classified as low blood pressure. According to current medical guidelines, a blood pressure between 90/60 mmHg and 130/80 mmHg is considered normal. If the reading is between 130/80 mmHg and 140/90 mmHg, it is regarded as being at the upper end of the normal range, often referred to as prehypertension or borderline high blood pressure.

When Does Blood Pressure Become a Concern?

If someone consistently records a blood pressure of 140/90 mmHg or higher over time, they may be diagnosed with hypertension. Conversely, a consistent reading below 90/60 mmHg is typically categorized as hypotension, or low blood pressure. However, occasional dips into this range without symptoms may not be a cause for concern, especially in younger, healthy individuals.

How to Accurately Measure Blood Pressure

To ensure an accurate reading, it's essential to follow proper measurement techniques. Before taking a blood pressure measurement, it's recommended to sit quietly and relax for at least 15 to 30 minutes. Physical activity, emotional stress, anxiety, anger, or sudden surprises can temporarily elevate blood pressure. Similarly, consuming caffeine, smoking, or drinking alcohol shortly before the test can also affect the result.

For the most reliable reading, measure your blood pressure three times in succession and calculate the average. This method helps eliminate random fluctuations and provides a more accurate reflection of your true blood pressure at that moment. Ensuring proper posture, using the correct cuff size, and placing the arm at heart level also contribute to more accurate results.