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2023年8月16日 · Gamma waves can also promote higher states of awareness and increased brain function during meditation. . Gamma waves have the following benefits: They can improve your cognition and problem ...
2022年10月13日 · Since their introduction, the extracorporeal shockwave therapy machine devices have been approved by the Food and Drug Administration (FDA) to treat lateral epicondylitis and plantar fasciitis....
2022年11月30日 · What Is a Doppler Ultrasound? Medically Reviewed by Carmelita Swiner, MD on November 30, 2022. Written by WebMD Editorial Contributors. Why Would I Need One? How Do I Prepare for It? What Happens...
- Pathophysiology
- Significance
- Signs and symptoms
- Overview
- Prognosis
A blood pressure reading appears as two numbers. The first and higher of the two is a measure of systolic pressure, or the pressure in the arteries when the heart beats and fills them with blood. The second number measures diastolic pressure, or the pressure in the arteries when the heart rests between beats.
Optimal blood pressure is less than 120/80 (systolic/diastolic). In healthy people, low blood pressure without any symptoms is not usually a concern and does not need to be treated. But low blood pressure can be a sign of an underlying problem -- especially in the elderly -- where it may cause inadequate blood flow to the heart, brain, and other vi...
Chronic low blood pressure with no symptoms is almost never serious. But health problems can occur when blood pressure drops suddenly and the brain is deprived of an adequate blood supply. This can lead to dizziness or lightheadedness. Sudden drops in blood pressure most commonly occur in someone who's rising from a lying down or sitting position t...
Postural hypotension is considered a failure of the cardiovascular system or nervous system to react appropriately to sudden changes. Normally, when you stand up, some blood pools in your lower extremities. Uncorrected, this would cause your blood pressure to fall. But your body normally compensates by sending messages to your heart to beat faster ...
The risk of both low and high blood pressure normally increases with age due in part to normal changes during aging. In addition, blood flow to the heart muscle and the brain declines with age, often as a result of plaque buildup in blood vessels. An estimated 10% to 20% of people over age 65 have postural hypotension.
2022年3月23日 · Try not to eat things that are high in saturated fat, cholesterol, or simple carbs such as sugar and white flour. Eat more fiber and plant sterols such as margarine or nuts. Regular exercise. The ...
2024年1月18日 · 4 min read. People with diabetes get hypoglycemia ( low blood sugar) when their bodies don't have enough sugar to use as fuel. It can happen for several reasons, including diet, some medications ...
2023年8月3日 · At a certain point, as your blood cells decrease, symptoms often develop. Depending on the cause of the anemia, symptoms may include: Dizziness, lightheadness, or feeling like you are about to ...
