What is the range for low blood pressure?

Written by Zhang Yue Mei
Cardiology
Updated on September 18, 2024
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Blood pressure below normal is clinically diagnosed as hypotension. Normal blood pressure ranges from 90 to 140 mm Hg systolic and 60 to 90 mm Hg diastolic. If the systolic pressure is below 90 mm Hg and the diastolic pressure is below 60 mm Hg, it is clinically diagnosed as hypotension. Symptoms of hypotension often include fatigue, dizziness, palpitations, shortness of breath, and darkening before the eyes. Mild hypotension may not present any clinical symptoms, while severe hypotension requires treatment based on clinical symptoms and the underlying disease to correct it.

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Written by Zhang Yue Mei
Cardiology
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Rescue of hypotensive shock

Low blood pressure is an important clinical symptom and diagnostic indicator of shock. Regardless of what causes the shock, the presence of low blood pressure, along with cold limbs, cold sweat, reduced urine output, and an indifferent expression, indicates insufficient peripheral vascular perfusion. Prolonged insufficient perfusion can lead to damage to vital organs. Therefore, timely emergency treatment is essential to elevate blood pressure and save the patient's life. The initial steps include administering oxygen to ensure the oxygenation of vital organs, replenishing blood volume, using vasopressors, and providing timely emergency treatment to save the patient's life.

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Written by Zhang Yue Mei
Cardiology
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How to alleviate low blood pressure

How to alleviate low blood pressure depends on the cause of the low blood pressure and the degree to which the blood pressure has decreased. For mild low blood pressure without any primary disease, it is necessary to rest and consume high-protein, high-nutritional foods, especially high intake of broth, chicken soup, ginseng, sea cucumber soup, etc., which can effectively raise blood pressure. If the low blood pressure is caused by a disease and the blood pressure is relatively low, it is necessary to treat the primary disease while correcting the blood pressure. First, blood volume should be supplemented to raise blood pressure. In severe cases, pressor drugs should be used, and when blood pressure reaches a normal level, it is maintained to supply blood to important organs.

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Written by Zhang Yue Mei
Cardiology
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What to eat for low blood pressure

Dietary adjustments for low blood pressure are a major aspect. People with low blood pressure should consume high-nutrition, high-protein, and high-vitamin foods, especially drinking more fresh soups, including high-protein soups such as fish soup, shrimp soup, chicken soup, ginseng soup, and sea cucumber soup. These soups can enhance the body's immunity, provide high-quality protein, increase heart contractility, and quickly increase blood volume, thereby achieving a blood pressure-raising effect. Some traditional Chinese medicines can also be used, such as those that supplement Qi and blood, including Astragalus, Codonopsis, American ginseng, jujube, and goji berries, which have the effect of raising blood pressure.

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Written by Li Hai Wen
Cardiology
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Manifestations of low blood pressure

Low blood pressure refers to a phenomenon where the systolic blood pressure is below 90mmHg and/or diastolic blood pressure is below 60mmHg. After developing low blood pressure, symptoms such as dizziness, palpitations, fatigue, and cold sweats often occur. If you have low blood pressure, it is essential to visit a hospital for proper examinations, such as a blood test to check for anemia. Conducting an echocardiography or an electrocardiogram can help determine if any heart diseases are causing the low blood pressure.

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Written by Xiao Chang Jiang
Cardiology
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symptoms of low blood pressure

Next, let us introduce some symptoms of low blood pressure. Actually, low blood pressure is divided into physiological and pathological low blood pressure. Generally speaking, physiological low blood pressure is asymptomatic, while pathological low blood pressure might have six major types of symptoms: The first type is fatigue and weakness, especially in the morning. Patients may feel listless and weak in their limbs which can improve after a nap or rest, but the fatigue may return in the afternoon or evening; The second type of symptoms includes headaches and dizziness. Among patients with low blood pressure, headaches are a common complaint, often occurring after intense mental activity or physical exertion. The nature and severity of headaches can vary, often manifesting as dull pain in the temporal or occipital region, but can also be intense pulsating pain or numb pain. Dizziness can vary in severity; mild cases involve blackout vision and vertigo, while severe cases can lead to fainting spells and even collapse, often occurring during sudden changes in body position, or when moving from a squatting to a standing position; The third type of symptoms involves chest pain or discomfort in the cardiac area, where patients with low blood pressure often experience such discomfort; The fourth type involves neurological dysfunctions, which can manifest as lethargy, reduced memory, sleep disturbances or insomnia, and severe cases may show signs of autonomic dysfunction. Symptoms might include pale skin, mild cyanosis, fluctuations between feeling cold and hot, sensations of ants crawling, or numbness in hands and feet; The fifth type of symptoms is reduced endocrine function, primarily shown as insufficient levels of substances like adrenaline and noradrenaline. Some patients may exhibit reduced blood sugar levels or decreased sexual function; The sixth type of symptoms includes poor appetite, abdominal discomfort, indigestion, or increased red blood cell count, decreased white blood cell count, reduced immunity, making infections more likely, etc.