Which is more dangerous, low blood pressure or high blood pressure?

Written by Zhang Yue Mei
Cardiology
Updated on September 01, 2024
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Blood pressure is a crucial indicator for maintaining human life. Both low blood pressure and high blood pressure can pose significant risks to the body. High blood pressure can lead to arteriosclerosis, and prolonged high blood pressure can cause cardiovascular and cerebrovascular diseases, with severe cases leading to cerebral ischemia and myocardial infarction. Low blood pressure affects the blood supply to vital organs and also brings negative factors to the body. Extremely low blood pressure can also endanger human life. Therefore, whether it is low blood pressure or high blood pressure, it should be correctly treated and improved under the guidance of a doctor to ensure the health of the body.

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Written by Zhang Yue Mei
Cardiology
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Emergency treatment for high blood pressure

Hypertension is currently a common and frequent disease, especially among middle-aged and elderly people. It requires the use of proper antihypertensive drugs to lower blood pressure back to a normal range to ensure the blood supply to the heart and brain. If medication is not taken on time, or due to emotional excitement or excessive fatigue, there can be a sudden increase in blood pressure. Immediate use of effective antihypertensive drugs is necessary to lower the blood pressure to a safe range to prevent accidents. In case of a hypertensive emergency, one should go to the hospital for active treatment to avoid life-threatening risks.

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Written by Zhang Yue Mei
Cardiology
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Symptoms of hypertension

Hypertension is a common and frequently occurring disease clinically. Mild hypertension often has no clinical symptoms and is usually detected during physical examinations when measuring blood pressure reveals an increase. In cases of severe hypertension, individuals with long-term high blood pressure may experience dizziness, a feeling of pressure in the head, and headaches. In serious cases, symptoms can include tinnitus and palpitations, requiring the use of effective antihypertensive medications for management. If patients with hypertension do not use medications to manage their condition, long-term high blood pressure can cause significant harm to the body, leading to cardiovascular and cerebrovascular diseases, hypertension-induced heart disease, and stroke. (Please use medications under the guidance of a doctor.)

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Written by Zhang Yue Mei
Cardiology
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How to Read a Blood Pressure Monitor for High Blood Pressure

As living standards improve, a blood pressure monitor has become an essential medical device in households. Electronic blood pressure monitors are very convenient for measuring blood pressure, especially for patients with hypertension. They allow patients to measure their blood pressure timely and adjust medication dosages accordingly. How to read a blood pressure monitor varies with different models. Typically, on an electronic blood pressure monitor, the first line displays the systolic pressure, also known as high blood pressure; the second line displays the diastolic pressure, also known as low blood pressure; and the third line displays the heart rate. These readings can help you know your systolic and diastolic pressures.

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Written by Zhou Qi
Nephrology
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The difference between hypertensive nephropathy and renal hypertension

Hypertensive nephropathy and hypertension due to kidney disease need to be differentiated, as this affects the treatment approach and prognosis assessment differently. Hypertensive nephropathy refers to patients with long-term high blood pressure, which causes arteriosclerosis of small vessels leading to renal pathology. Often, there is also arteriosclerosis in other organs, such as the retinal arteries, which can be confirmed through funduscopic examination. On the other hand, hypertension due to kidney disease occurs when a patient has kidney disease first followed by hypertension, where the causes and types of kidney diseases vary and can frequently lead to hypertension. The difference between the two lies in the sequence of occurrence. Hypertensive nephropathy is characterized by initial high blood pressure and commonly associated with arteriosclerosis in other vessels, which can be preliminarily identified through funduscopic examination. In cases of hypertension due to kidney disease, the patient has other kidney disorders first, followed by hypertension. If a patient's 24-hour urine protein quantification exceeds 2g, it is likely due to kidney disease rather than hypertensive nephropathy. If differentiation remains challenging, kidney biopsy can be performed for further differentiation.

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Written by Liu Wen Li
Obstetrics
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Pregnancy hypertension symptoms

The symptoms of hypertension during pregnancy vary depending on the blood pressure level, individual tolerance, and other factors. Common symptoms include high blood pressure, protein in the urine, and generalized edema. Edema can vary in severity; it can start with bilateral ankle swelling, progress to the calves, thighs, and then become generalized throughout the body. Increased blood pressure can also lead to headaches, dizziness, nausea, and blurred vision. In more severe cases, pain in the upper abdomen and convulsions may occur.