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faintness    音标拼音: [f'entnəs]
n. 微弱,衰弱,模糊

微弱,衰弱,模糊

faintness
n 1: a feeling of faintness and of being ready to swoon
2: the property of being without strength; "the faintness or
potency of the feeling"
3: barely audible
4: the trait of lacking boldness and courage; "faintness of
heart and infirmity of purpose" [synonym: {faintheartedness},
{faintness}] [ant: {stoutheartedness}]
5: the quality of being dim or lacking contrast [synonym: {dimness},
{faintness}]


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  • Fainting: Causes, Types, and Prevention - Healthline
    Fainting, or the temporary loss of consciousness, can occur if your brain isn’t getting enough oxygen Fainting may be triggered by a number of factors, including dehydration, low blood sugar,
  • Syncope (Fainting): Types, Symptoms Causes - Cleveland Clinic
    Syncope is the broad medical term for fainting, which has many causes This temporary loss of consciousness follows a drop in blood flow to your brain Usually, syncope isn’t a cause for concern Most people don’t need follow-up treatment But you need treatment for certain causes, like heart issues Contents What Is Syncope?
  • Fainting: What It Feels Like and What Causes It - WebMD
    Fainting, also called syncope (pronounced SIN-ko-pee), is a sudden, brief loss of consciousness and posture caused by decreased blood flow to the brain Fainting is a common problem, accounting
  • Lightheaded? Top 5 reasons you might feel woozy - Harvard Health
    Lightheadedness is a feeling of wooziness or faintness It is commonly caused by dehydration, drug side effects, blood pressure drops, low blood sugar, heart disease, or stroke Lightheadedness is not the same as dizziness, which refers to feeling like the surroundings are spinning
  • Syncope (medicine) - Wikipedia
    Syncope (syncope ⓘ), commonly known as fainting or passing out, is a loss of consciousness and muscle strength characterized by a fast onset, short duration, and spontaneous recovery [1] It is caused by a decrease in blood flow to the brain, typically from low blood pressure [1]
  • Fainting - Heart and Blood Vessel Disorders - The Merck Manuals
    Fainting (syncope) is a sudden, brief loss of consciousness during which the person falls to the ground or slumps in a chair followed by a return to consciousness The person is motionless and limp and may have cool legs and arms, a weak pulse, and shallow breathing Some people feel light-headed or dizzy before they faint
  • Fainting: Causes, diagnosis, and treatment - Medical News Today
    Fainting is a brief loss of consciousness that can occur with or without a serious medical issue It can cause a person to slump in a chair or fall to the ground Most people wake up
  • Causes of Fainting: Reasons for Passing Out - Verywell Health
    Fainting (syncope) is a sudden loss of consciousness from a lack of blood flow to the brain People who have passed out usually wake up quickly after collapsing, but in some cases, fainting is a sign of a serious or potentially life-threatening condition
  • Fainting: MedlinePlus Medical Encyclopedia
    Fainting is a brief loss of consciousness due to a drop in blood flow to the brain The episode most often lasts less than a couple of minutes and you usually recover from it quickly The medical name for fainting is syncope When you faint, you not only lose consciousness, you also lose muscle tone and the color in your face
  • Fainting: Symptoms, Causes, and Treatment | Red Cross
    If a person suddenly loses consciousness and then “comes to” after about a minute, he or she may simply have fainted Fainting is caused by a sudden decrease in blood flow to the brain Usually the cause of fainting is not serious





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