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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.
2022年8月12日 · It’s no secret that certain foods can help you lower your LDL (“bad”) cholesterol, which causes a buildup of plaque in the arteries that leads to heart disease, heart attacks, and stroke ...
2023年11月7日 · Atherosclerosis causes heart attacks, strokes, and peripheral vascular disease. Learn about causes, symptoms, risk factors, diagnosis, and treatments.
2023年3月3日 · When you get your blood pressure numbers, there are two of them. The first, or “top” one, is your systolic blood pressure. The second, or “bottom,” one is diastolic blood pressure.
2023年11月29日 · Understand the importance of HbA1c (Hemoglobin A1c) & its role in monitoring blood sugar levels. Know A1c charts, tests, levels, & normal ranges.
