搜尋結果
2024年4月7日 · The deeper you breathe, the higher the piston rises. The incentive spirometer also may have a gauge to tell if you’re inhaling at the right pace. Once you breathe into the incentive spirometer ...
2024年3月4日 · Hyperlipidemia has many causes. Some are related to lifestyle, and some are the result of medical issues. Diet. Cholesterol, a waxy substance, is a type of fat your body makes. It can also come ...
2022年9月21日 · Amounts and Dosage. The recommended daily intake of vitamin B-12 for adults is 2.4 micrograms. Vitamin B12 is also found in animal products, such as eggs, meat, fish, poultry, milk, and some ...
2023年11月7日 · In your brain, this causes a stroke; in your heart, a heart attack. The process of atherosclerosis begins with: Fatty streak. A yellow strip lining the walls of major arteries, fatty streak has ...
- 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6月7日 · Side Effects. When taken by mouth: Magnesium is LIKELY SAFE for most people when taken appropriately. Doses less than 350 mg daily are safe for most adults. In some people, magnesium might cause ...
While inhaling this medication, breathe calmly and deeply until the mist stops, usually over 5 to 10 minutes. Avoid getting the medication in the eyes. To prevent dry mouth, hoarseness, and oral ...
