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2024年1月23日 · Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe combinations of prescription medications by entering two or more drugs in question.
2023年11月7日 · In your brain, this causes a stroke; in your heart, a heart attack. The process of atherosclerosis begins with: Fatty streak. A yellow strip lining the walls of major arteries, fatty streak has ...
2015年1月16日 · Get the nutrition lowdown on all your meals and everything in between. Find out the calories, carbs, fat, fiber, and more in over 37,000 foods and drinks. Whether you're eating out or dining in ...
- 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.
2020年7月10日 · ADHD affects an estimated 3% to 5% of children and adults in the U.S. Get ADD and ADHD information here including its causes, diagnosis, and promising treatments.
2023年7月16日 · An endocrinologist can help. Endocrinologists are medical doctors who specialize in diagnosing and treating health conditions related to problems with the body’s hormones, hormonal glands, and ...
2021年11月9日 · 3 min read. Both acetaminophen and ibuprofen are generic names for over-the-counter pain relief drugs. They act differently in the body, though. Acetaminophen, which is packaged as Tylenol ...
