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2024年8月7日 · If one medicine can't lower your blood pressure, your doctor may try combination treatment for hypertension. Studies show that many people get better control of blood pressure with combination ...
2023年3月3日 · The diastolic reading, or the bottom number, is the pressure in the arteries when the heart rests between beats. This is the time when the heart fills with blood and gets oxygen. This is what 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.
2023年11月6日 · What Are Monocytes? How are Monocytes Measured? Normal Monocyte Range. High Monocyte Count. 5 min read. Your blood is made up of red blood cells, white blood cells, platelets, and plasma. White...
2023年11月7日 · 9 min read. What Is Atherosclerosis? Atherosclerosis is when plaque -- a sticky substance made of cholesterol, fat, calcium, and other materials — builds up inside the walls of your arteries....
2024年3月3日 · How to Check Your Heart Rate. Normal Heart Rate. Heart Rate and Gender. 10 min read. What Is a Heart Rate? Your heart rate is the number of times your heart beats in 1 minute. Heart rates vary from...
2024年3月22日 · Studies have consistently linked high triglyceride levels to heart disease, heart attacks, and stroke, especially in people with low levels of "good" HDL cholesterol and those with type 2 diabetes.
