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2023年9月5日 · They can also answer any questions about medical terms or jargon on the drug packages. View Sources. Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe...
2024年1月7日 · What Is an Incubation Period? The incubation period is the number of days it takes for symptoms to appear after you’re infected with something. Health care professionals and government officials...
2023年11月18日 · White blood cells (WBCs), also called leukocytes, fight infection. They move throughout your body in your blood, looking for invaders. Your body is continuously making a fresh supply of WBCs ...
2024年6月18日 · What Is Hemoglobin? Hemoglobin Levels. Hemoglobin Test. How to Increase Your Hemoglobin. 18 min read. What Is Hemoglobin? Hemoglobin is a protein in red blood cells. It carries oxygen around your...
- 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.
2024年5月17日 · What Is an Erection? What Is Ejaculation? Takeaways. 8 min read. Anatomy of a Penis. The penis is a male sexual organ. The shaft is the longest part of it. The head or glans is at the end of the...
2024年1月18日 · Unlike a regular blood sugar test, the A1c test measures the amount of sugar that clings to a protein, called hemoglobin, in your red blood cells. The test shows your average blood sugar levels...
