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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, Treatments, Pictures, and More - Healthline
    Petechiae are tiny purple, red, or brown spots caused by broken capillaries bleeding under the skin Unlike other skin spots, they don’t change color when pressed
  • Petechia - Wikipedia
    It refers to one of the three descriptive types of hematoma differentiated by size, the other two being ecchymosis (greater than 1 cm in diameter) and purpura (3 to 10 mm in diameter) The term is typically used in the plural (petechiae), since a single petechia is seldom noticed or significant
  • 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 and definition - 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: Causes, Symptoms, Diagnosis, Treatment, and When to Worry
    Having petechiae is not a disease, but a symptom of something else “Petechiae” (puh-TEE-kee-eye) isn’t a disease It’s a type of skin rash that is a sign of something else The causes can range from minor injuries to life-threatening diseases Because of that, you should always have a doctor check petechiae, especially in children
  • Petechiae: When to Go to the ER, What It Looks Like 6 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
  • Understanding Petechiae: Causes, Symptoms Investigations
    These small but potentially significant lesions are known as petechiae Derived from the Italian word "peticchio," meaning a small spot or blemish, petechiae are characterized as pinpoint, non-blanching macules or papules, typically ranging from 1 to 2 millimeters in diameter
  • 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





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