搜尋結果
2024年2月24日 · In this case, positive doesn’t necessarily mean “good” and negative doesn’t necessarily mean “bad.”. Instead: Positive: The lab found whatever your doctor was testing for. So if you ...
2023年3月3日 · Normal: Lower than 80. Stage I: hypertension: 80-89. Stage II: hypertension: 90 or more. Hypertensive crisis: 120 or more. Call 911. Our chart below has more details. Even if your diastolic number ...
2023年11月15日 · A fever can be a sign of several health conditions, which may or may not need medical treatment. The most common causes are infections such as colds and stomach bugs (gastroenteritis). Other ...
- 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1月11日 · Ask your doctor to help you understand what your results mean. Normal comprehensive metabolic panel results. General ranges for normal results are as follows: Albumin: 3.4-5.4 grams/deciliter (34 ...
2024年4月25日 · Getting a standard cholesterol screening may soon involve one more blood test that has been around for decades but is rarely used. Evidence continues to mount showing that the additional analysis ...
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 ...
