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2023年8月16日 · Gamma brain waves are one such wave pattern created by your brain. Here is all you need to know about gamma brain waves and how they benefit you. Understanding Brain Waves. Your brain is made up...
2022年8月10日 · The word hypoxia is sometimes used to describe both problems. Symptoms. Although they can vary from person to person, the most common hypoxia symptoms are: Changes in the color of your skin,...
2023年11月18日 · What Are White Blood Cells? White Blood Cell Test. Normal White Blood Cell Count. Low White Blood Cell Count. 9 min read. What Are White Blood Cells? White blood cells (WBCs), also called...
- 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 · What Is LDL? LDL cholesterol is often called the “bad” cholesterol because it collects in the walls of your blood vessels, raising your chances of health problems like a heart attack or stroke....
2023年8月3日 · What Is Anemia? Anemia Symptoms. Anemia Types and Causes. Anemia Diagnosis. 10 min read. What Is Anemia? Anemia is defined as a low number of red blood cells. In a routine blood test,...
2024年1月18日 · Symptoms. Diabetes Drugs Linked to Hypoglycemia. Diet and Hypoglycemia. Treatment. 4 min read. People with diabetes get hypoglycemia ( low blood sugar) when their bodies don't have enough sugar to...
