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2023年3月3日 · This is what your diastolic blood pressure number means: Normal: Lower than 80. Stage I: hypertension: 80-89. Stage II: hypertension: 90 or more. Hypertensive crisis: 120 or more. Call 911. Our...
- 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.
1. Myth: A normal heart rate is 60-100 beats per minute. 2. Myth: An erratic heart rate means I'm having a heart attack. 3. Myth: If my pulse is fast, it always means I'm stressed out. 4. Myth: If...
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.
2023年11月15日 · A fever is when you have a brief rise in body temperature that’s higher than your normal body temperature. It’s also called a high temperature, hyperthermia, or pyrexia. It's usually a sign your...
2023年4月7日 · Blood pressure is the way that you measure how fast your blood pumps against your inner arteries. It is vital for people of all ages, especially older adults, to monitor their blood pressure....
2023年3月23日 · It’s formed when your body breaks down purines, which are found in some foods. Most of the uric acid leaves your body when you pee, and some when you poop. A uric acid test is not done as a routine...
