Normal Blood Pressure: What Should Your Levels Be?

Q: Normal Blood Pressure: What Should Your Levels Be?

Hello： The standard values for blood pressure have been revised in recent years, with recommended values consistently being lowered. <br>Even the blood pressure standards for patients with specific chronic diseases differ from those of the general population (for example, patient

The standard values for blood pressure?

The standard blood pressure values I remember from middle school to college were 140/90, but later during a hospital check-up, I heard the doctor say it is 120/80.
My blood pressure is 138/88.
Is this considered normal? What is the normal range for blood pressure?

jeoca, 20~29 year old female. Ask Date: 2010/08/23

Dr. Lin Jixiong reply Cardiology

Hello: The standard values for blood pressure have been revised in recent years, with recommended values consistently being lowered.
Even the blood pressure standards for patients with specific chronic diseases differ from those of the general population (for example, patients undergoing dialysis or those with diabetes).
When aiming to control blood pressure at lower levels, it often necessitates increasing the number of medications or the dosage.
At this point, patients may find the side effects of these medications less tolerable.
Therefore, in clinical practice, physicians may choose to maintain blood pressure below 140/90 mmHg.
Sincerely, Dr.
Lin Chi-Hsiung, Taoyuan General Hospital.

Reply Date: 2010/08/23

More Info

Understanding blood pressure and its classifications is crucial for maintaining cardiovascular health. Blood pressure is measured in millimeters of mercury (mmHg) and is expressed as two numbers: systolic (the top number) and diastolic (the bottom number). The systolic pressure measures the force of blood against the artery walls when the heart beats, while the diastolic pressure measures the same force when the heart is at rest between beats.

According to the American Heart Association (AHA) and various international guidelines, blood pressure classifications are as follows:
1. Normal: Systolic < 120 mmHg and Diastolic < 80 mmHg (e.g., 119/79 mmHg)
2. Elevated: Systolic 120-129 mmHg and Diastolic < 80 mmHg
3. Hypertension Stage 1: Systolic 130-139 mmHg or Diastolic 80-89 mmHg
4. Hypertension Stage 2: Systolic ≥ 140 mmHg or Diastolic ≥ 90 mmHg
5. Hypertensive Crisis: Systolic > 180 mmHg and/or Diastolic > 120 mmHg (requires immediate medical attention)
In your case, with a blood pressure reading of 138/88 mmHg, you fall into the category of Hypertension Stage 1. While this is not classified as normal, it is also not in the severe range. It indicates that you should monitor your blood pressure regularly and consider lifestyle changes to help manage it.

Importance of Monitoring Blood Pressure
Regular monitoring of blood pressure is essential, especially if you have readings that are consistently in the elevated or hypertensive range. High blood pressure (hypertension) can lead to serious health issues, including heart disease, stroke, and kidney problems. It is often referred to as a "silent killer" because it may not present noticeable symptoms until significant damage has occurred.

Factors Influencing Blood Pressure
Several factors can influence blood pressure readings, including:
- Diet: High sodium intake can lead to increased blood pressure. A diet rich in fruits, vegetables, whole grains, and low-fat dairy products can help lower blood pressure.

- Physical Activity: Regular exercise strengthens the heart and improves circulation, which can help lower blood pressure.

- Weight: Being overweight or obese increases the risk of hypertension.

- Stress: Chronic stress can contribute to elevated blood pressure.

- Alcohol and Tobacco Use: Excessive alcohol consumption and smoking can raise blood pressure.

Recommendations
1. Lifestyle Modifications: Consider adopting a heart-healthy lifestyle. This includes eating a balanced diet, engaging in regular physical activity, maintaining a healthy weight, managing stress, and avoiding tobacco and excessive alcohol consumption.

2. Regular Monitoring: Keep track of your blood pressure readings at home. This can help you and your healthcare provider determine if your lifestyle changes are effective or if medication may be necessary.

3. Consult a Healthcare Provider: Since your blood pressure is in the hypertensive range, it is advisable to consult with a healthcare provider. They can provide personalized recommendations based on your overall health, family history, and other risk factors.

4. Understand Your Readings: Blood pressure can fluctuate throughout the day due to various factors, including activity level, stress, and even the time of day. It is essential to take readings at consistent times and under similar conditions for the most accurate assessment.

In conclusion, while your blood pressure reading of 138/88 mmHg is not classified as normal, it is manageable with lifestyle changes and regular monitoring. Understanding your blood pressure levels and their implications is vital for maintaining your health and preventing potential complications. Always consult with a healthcare professional for personalized advice and treatment options.

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