Is it called hypertension if the diastolic blood pressure is high?

Written by Li Hai Wen

Cardiology

Updated on October 20, 2024

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High diastolic pressure, which is an increase in diastolic pressure, is also considered hypertension when the diastolic pressure exceeds 90mmHg.

If you have hypertension, it is essential to have a formal medical examination at a hospital, such as blood tests for lipids and glucose to check for diabetes and hyperlipidemia. Blood tests are also done to evaluate liver and kidney functions, to see if there are any kidney diseases causing the increase in blood pressure.

Additionally, under the guidance of a doctor, conduct ambulatory blood pressure monitoring to observe the overall situation of blood pressure increase within 24 hours. Based on the results of the blood tests and ambulatory blood pressure monitoring, determine whether antihypertensive medication is needed and which type of medication to use.

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Both hypertensive encephalopathy and hypertensive crisis involve a rapid increase in blood pressure, symptoms of headache, restlessness, nausea and vomiting, palpitations, shortness of breath, and blurred vision, with systolic pressure increasing to 200 mmHg and diastolic pressure to 120 mmHg, typically presenting similar clinical blood pressure readings. The main difference between the two is that hypertensive encephalopathy is based on excessively high blood pressure in patients with severe hypertension. Furthermore, hypertensive encephalopathy can lead to clinical signs of cerebral edema and increased intracranial pressure, whereas hypertensive crisis occurs when blood pressure suddenly rises over a short period, causing symptoms due to excessive secretion of catecholamines driven by increased sympathetic nervous excitement.