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開獎時間 每週二、週五 晚間 8:30www.taiwanlottery.com2023年11月27日 · An echocardiogram is a test that uses ultrasound to show how your heart muscle and valves are working. These sound waves make moving pictures of your heart so your doctor can get a good look at its...
2024年7月17日 · 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. Some cholesterol...
2024年6月18日 · What Is Hemoglobin? Hemoglobin is a protein in red blood cells. It carries oxygen around your body, delivering it to tissues. Hemoglobin also carries carbon dioxide to the lungs so you can breathe...
- 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.
2023年3月3日 · If your blood pressure is normal— less than 120/80 — get it checked every year, or more often as your doctor suggests. If your blood pressure is elevated—a systolic blood pressure between ...
2024年7月21日 · There are three types of normal lung sounds that are different depending on where in your chest your doctor is listening. The three normal lung sounds are bronchial, bronchovesicular, and...
2022年9月19日 · Health Benefits. Claims about the health benefits of curcumin abound. Traditionally, it was used to treat skin disorders, upper respiratory tract disorders, joint pain, digestive problems, and...
