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  1. 2024年4月23日 · A normal temperature for adults is in the range of 97 F to 99 F, and for children it is 95.9 F to 99.5 F. (Photo Credit: E+ / Getty Images) Different Ways to Measure Body Temperature. There are...

    • 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.

  2. 2023年4月7日 · Adults aged up to 70 years old should be getting at least 600 IU. Adults older than 70 should be getting at least 800 IU of vitamin D. However, some sources say you should consume up to 1000 IU of ...

  3. 2022年12月8日 · Vertigo is often triggered by a change in the position of your head. People with vertigo typically describe it as feeling like they are: Spinning. Tilting. Swaying. Unbalanced. Pulled to one...

  4. 2022年8月20日 · Atrial fibrillation ( AFib) is a type of irregular heartbeat. If you have it, your doctor will classify yours by the reason for it and on how long it lasts. When your heartbeat returns to normal...

  5. Generic Name: diclofenac sodium. See also Warning section. View More. Uses. Side Effects. Precautions. Interactions. Overdose. Reviews (69) Warnings: Nonsteroidal anti-inflammatory drugs...

  6. 2024年4月29日 · The CBC test provides essential information about the types and amounts of cells in the blood, including red blood cells, white blood cells, and platelets. The RBC test will find out if you have a...