Blood Pressure Readings: Should You Be Concerned? - Cardiology

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Blood pressure issues


Hello doctor, I have recently developed a habit of measuring my blood pressure at home for the past two months, taking two readings before bedtime.
My systolic blood pressure usually ranges from 135 to 155.
The first reading is often quite high, around 150s, while the second reading drops to the 130s.
I would like to know if this is considered hypertension and if such blood pressure levels could lead to a stroke at a young age.
Do I need to start medication to control it?

Xiao Ying, 10~19 year old female. Ask Date: 2023/09/29

Dr. He Dongjin reply Cardiology


Hello, since your blood pressure is not considered high, you do not need to take medication and can simply monitor it.
Changhua Hospital cares about you.

Reply Date: 2023/09/29

More Info


Understanding blood pressure readings is crucial for maintaining cardiovascular health, especially as you are concerned about your recent measurements. Based on the information you provided, your systolic blood pressure readings range from 135 to 155 mmHg. According to the American College of Cardiology (ACC) and the American Heart Association (AHA), blood pressure is categorized as follows:
- Normal: Systolic < 120 mmHg and Diastolic < 80 mmHg
- Elevated: Systolic 120-129 mmHg and Diastolic < 80 mmHg
- Hypertension Stage 1: Systolic 130-139 mmHg or Diastolic 80-89 mmHg
- Hypertension Stage 2: Systolic ≥ 140 mmHg or Diastolic ≥ 90 mmHg
Based on these classifications, your readings of 135 to 155 mmHg indicate that you are in the Hypertension Stage 1 to Stage 2 category. It is important to note that consistently high blood pressure can increase the risk of serious health issues, including heart disease and stroke, even at a younger age.

The fluctuation in your readings, where the first measurement is significantly higher than the second, is not uncommon. This phenomenon can be attributed to several factors, including "white coat syndrome," where anxiety during the measurement can lead to temporarily elevated readings. Additionally, factors such as stress, physical activity, and even the time of day can affect blood pressure readings.

Regarding your concern about the risk of stroke, it is essential to understand that high blood pressure is a significant risk factor for stroke. Chronic hypertension can lead to damage to blood vessels, increasing the likelihood of a stroke. However, the risk is not solely determined by blood pressure readings; other factors such as family history, lifestyle, and overall health also play a crucial role.

As for whether you should start medication to control your blood pressure, this decision is best made in consultation with your healthcare provider. They will consider your overall health, lifestyle, and any other risk factors you may have. In many cases, lifestyle modifications such as diet changes, increased physical activity, and stress management can be effective in managing blood pressure. However, if your readings remain consistently high, your doctor may recommend medication as part of your treatment plan.

In summary, your blood pressure readings suggest that you may have hypertension, which could pose a risk for stroke and other cardiovascular issues. It is advisable to consult with your healthcare provider for a comprehensive evaluation and to discuss the best course of action, which may include lifestyle changes and possibly medication. Regular monitoring of your blood pressure is also essential to track any changes and to ensure that your management plan is effective. Remember, managing blood pressure is a long-term commitment, and working closely with your healthcare team will help you achieve the best outcomes for your health.

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