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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: What Are They, Causes, Treatment Prevention - Cleveland Clinic
    Petechiae are pinpoint-sized spots of bleeding under the skin or mucous membranes The purple, red or brown dots are not raised or itchy, and they’re not a rash Many different things can cause petechiae, and some are serious If you or your child have petechiae that spread quickly, or if you have dots plus other symptoms, seek medical attention
  • 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
  • Petechiae: Causes, Symptoms, Diagnosis, Treatment - WebMD
    Petechiae are tiny red, flat spots that appear on your skin They are a sign of blood leaking from capillaries under your skin Capillaries are the tiniest blood vessels that connect
  • Petechiae: Causes, Pictures, and When To Worry - Health
    Petechiae are tiny red, purple, or brown spots on your skin, inside of your mouth, or on your eyelids These sports develop when capillaries, small blood vessels, break and leak blood into
  • Petechia - Wikipedia
    A petechia ( p ɪ ˈ t iː k i ə ; [1] pl : petechiae) is a small red or purple spot (< 3 mm in diameter) that can appear on the skin, conjunctiva, retina, and mucous membranes which is caused by haemorrhage of capillaries
  • Petechiae: Causes, Symptoms, Diagnosis, Treatment, and When to Worry
    “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 A rash due to petechiae can appear as small, clustered spots on the skin
  • 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 (Bleeding into the Skin): Causes, Treatments, and More
    Petechiae are tiny, flat, typically round spots on the skin caused by bleeding The bleeding can have many different causes, including physical trauma, a reaction to a drug, or a more serious condition, such as thrombocytopenia The treatment for petechiae will depend on what is causing them
  • 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
    Causes of petechiae include strep throat, mononucleosis, and endocarditis, an infection of the lining of the heart This article explains petechiae and its possible causes, some of which are serious health issues





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