Blood Pressure: Is High Diastolic Pressure a Concern?

Blood Pressure Consultation

Dear Dr.
He,
I sought medical attention yesterday (October 4) due to suspected heat exhaustion, as I was experiencing dizziness.
The doctor measured my blood pressure in my right arm, which was 119 (systolic)/91 (diastolic).
I have the following questions for you:
1.
Can heat exhaustion lead to elevated blood pressure, particularly an increase in diastolic pressure?
2.
I occasionally measure my blood pressure, and while my systolic readings are normal, my diastolic pressure tends to be elevated, around 90.
Given my age (37 years), should I seek medical attention and consider medication to manage my blood pressure?
Thank you for your guidance.

Axiang, 30~39 year old female. Ask Date: 2019/10/05

Dr. He Dongjin reply Cardiology

Hello, it is normal for blood pressure to fluctuate when the body is unwell.
Dizziness from heatstroke with a blood pressure of 119/91 is not considered abnormal.
At 37 years old, a diastolic pressure of 90 does not require medical attention or medication.
Regular exercise and a diet low in oil and salt are sufficient.
Take care from Changhua Hospital.

Reply Date: 2019/10/05

More Info

Hello! Thank you for your questions regarding blood pressure, particularly concerning high diastolic pressure. Let's break down your inquiries and provide some clarity on the implications of your blood pressure readings.

1. Can heat exhaustion lead to elevated blood pressure, especially diastolic pressure?
Yes, heat exhaustion can indeed affect blood pressure. When the body is exposed to high temperatures, it can lead to dehydration and stress on the cardiovascular system. This stress can cause blood vessels to constrict, which may result in elevated blood pressure readings. In your case, a diastolic pressure of 91 mmHg is considered elevated, especially if your systolic pressure is within normal limits. This could be a temporary response to the heat and stress your body experienced during the episode of suspected heat exhaustion.

2. Is a diastolic pressure around 90 mmHg concerning for a 37-year-old?
A diastolic pressure of 90 mmHg is classified as stage 1 hypertension according to the American Heart Association guidelines. While your systolic pressure of 119 mmHg is normal, the elevated diastolic pressure could indicate an increased risk for cardiovascular issues over time. Given your age of 37, it is advisable to monitor your blood pressure regularly. If you consistently find your diastolic pressure around 90 mmHg or higher, it would be prudent to consult with a healthcare provider. They may recommend lifestyle modifications or, in some cases, medication to help manage your blood pressure.

Additional Considerations:
- Lifestyle Factors: High diastolic pressure can be influenced by various factors, including diet, physical activity, stress levels, and weight. A diet high in sodium, lack of physical activity, and obesity can contribute to elevated blood pressure. Incorporating regular exercise, a balanced diet rich in fruits and vegetables, and reducing sodium intake can help manage blood pressure levels.

- Underlying Conditions: It's important to consider that elevated diastolic pressure can sometimes be a sign of underlying health issues, such as kidney disease or hormonal imbalances. If your blood pressure remains elevated, your healthcare provider may recommend further testing to rule out these conditions.

- Monitoring: Keeping a log of your blood pressure readings can be beneficial. Note the time of day, any activities you were engaged in, and how you were feeling at the time of measurement. This information can help your healthcare provider understand your blood pressure patterns better.

- Consultation: If you have concerns about your blood pressure, especially if you experience symptoms like headaches, dizziness, or fatigue, it is essential to seek medical advice. A healthcare professional can provide a comprehensive evaluation and determine whether medication or other interventions are necessary.

In summary, while a diastolic pressure of 90 mmHg is concerning, especially for someone your age, it is essential to consider the context of your overall health and lifestyle. Regular monitoring and consultation with a healthcare provider will help you manage your blood pressure effectively and reduce any potential risks associated with hypertension. Thank you for your questions, and I hope this information helps clarify your concerns!

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