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petechia    
瘀点

瘀点

petechia
n 1: a minute red or purple spot on the surface of the skin as
the result of tiny hemorrhages of blood vessels in the skin
(as in typhoid fever)


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  • Petechiae: Causes, Symptoms, Diagnosis, Treatment
    Petechiae with a fever in adults or children can be a sign of a serious, potentially deadly infection such as meningococcal disease Go to the ER
  • Petechiae: What Are They, Causes, Treatment Prevention
    Petechiae may look like a rash, but they’re not These pinpoint red dots on the skin are caused by broken capillaries, tiny blood vessels under the skin They are not itchy or painful If you press on petechiae, they’ll stay purple, red or brown But if you press on a rash, it will turn pale or lighter Where can petechiae happen?
  • Petechiae: Causes, Pictures, and When To Worry - Health
    With petechiae, you may notice tiny red, purple, or brown spots that occur when capillaries break under your skin Seek medical attention if petechiae appear suddenly, spread quickly, or occur
  • Petechiae: Causes, Treatments, Pictures, and More - Healthline
    Petechiae are formed when tiny blood vessels called capillaries break open When these blood vessels break, blood leaks into your skin Infections and reactions to medications are two common
  • Petechia - Wikipedia
    Petechiae can be caused by a number of infectious or noninfectious conditions, or by physical trauma The presence of petechiae in certain locations, such as the eyes or neck, are sometimes considered forensically significant, such as in cases of suspected strangulation
  • Petechiae: Symptoms, Causes, Treatment - Verywell Health
    Petechiae are small, red dots on the skin that don't itch and are caused by bleeding from tiny blood vessels Some medications, like penicillin and blood thinners, can cause petechiae as a side effect If petechiae appear with a fever, it could be a sign of a serious infection needing medical care Treatment depends on the underlying cause
  • 20 Cause of Petechiae and What You Need to Know About Them
    Petechiae may look small—but they speak volumes These pinpoint spots, often red, purple, or brown, form when tiny blood vessels beneath the skin rupture While they don’t fade under pressure or cause pain, they’re not just cosmetic
  • Petechiae - Mayo Clinic
    Petechiae (puh-TEE-kee-ee) are pinpoint, round spots that form on the skin They're caused by bleeding, which makes the spots look red, brown or purple The spots often form in groups and may look like a rash The spots are often flat to the touch and don't lose color when you press on them
  • Petechiae: When to Worry, What They Look Like Causes
    Petechiae are small red, purple, or brown dots that usually appear in clusters due to minor bleeding under the skin or mucous membranes They are more commonly found on the arms, legs, or abdomen, but can also show up in the mouth or on the eyes
  • Petechiae: A Guide to Causes and Treatment - GoodRx
    Petechiae are tiny reddish-brown spots that can suddenly appear on your skin They’re the result of bleeding under the skin from broken small blood vessels Petechiae themselves aren’t dangerous But often they’re a sign of an underlying medical problem, which could be serious Petechiae usually get better on their own





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