Is an unstable blood pressure reading dangerous?

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Question
Hello doctor,
I measure my blood pressure at home and see a large change in blood pressure at different times of the day, usually in the range of 140/85 to 160/89, but sometimes down to 130/80, sometimes up to 190 /110. Ask your doctor if an unstable blood pressure reading is dangerous? Thanks for the advice doctor.
Anonymous customer
Answer
Answered by Master, Doctor Pham Van Hung - Department of Medical Examination & Internal Medicine, Vinmec Danang International General Hospital.
Hello,
With the question “Is an unstable blood pressure reading dangerous? ", the doctor answered as follows:
Blood pressure is the necessary blood pressure acting on the artery walls to bring blood to the tissues in the body, blood pressure is created by the force of contraction of the heart and resistance. of arteries. Blood pressure can fluctuate up and down depending on different conditions, circumstances and time of day, so to determine whether blood pressure is high or not, it is necessary to measure several times a day, even for many days. day.
To ensure accurate blood pressure measurement, patients need to adhere to the following principles: should be measured at a fixed time of day, relaxed mood, rest for about 5-10 minutes before measuring, do not speak Talk, don't use stimulants: coffee, tobacco 30 minutes before, if you measure many times, you should be more than 2 minutes apart and take the average.
In case of doubt, you can monitor your blood pressure with a 24-hour automatic monitor (also called a Blood Pressure Holter). Hypertension is diagnosed when systolic blood pressure is greater than 140 mmHg and/or diastolic blood pressure is greater than 90 mmHg. Therefore, you should see an Endocrinologist for a general check-up of hypertension and associated cardiovascular risk factors (Diabetes, dyslipidemia, obesity, kidney disease, coronary heart disease). ...), through which the Doctor will give appropriate treatment and monitoring methods.
If you still have questions about the unstable blood pressure, you can go to a medical facility under Vinmec Health System for early examination and treatment. Thank you for trusting and sending questions to Vinmec. Wishing you lots of health.
Best regards!

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