Petechiae yog small (1–3 mm), liab, nonblanching nonblanching Ib qho pob liab liab uas tsis yog-blanching (NBR) yog pob khaus uas tsis ploj Thaum nias nrog, thiab saib los ntawm, ib khob Nws yog tus yam ntxwv ntawm ob qho tib si purpuric thiab petechial pob. Tus neeg purpura ntsuas 3-10 hli (0.3-1 cm, 3⁄32- 3⁄8 nyob rau hauv), whereas petechiae ntsuas tsawg dua 3 hli. https://en.wikipedia.org › wiki › Tsis-blanching_rash
Non-blanching rash - Wikipedia
cov kab mob macular tshwm sim los ntawm intradermal capillary los ntshav (Daim duab 181-1). Purpura loj dua, feem ntau tsa cov kab mob tshwm sim los ntawm cov ntshav hauv daim tawv nqaij (Daim duab 181-2 thiab 181-3).
Puas petechiae tig mus ua purpura?
Feem ntau, petechiae yog me me ntawm purpura, thiab lawv, ib yam nkaus, qee zaum hu ua ntshav. Lawv tsim thaum capillaries tawg thiab xau cov ntshav uas nyob hauv qab ntawm daim tawv nqaij. Zoo li purpura, petechiae hloov xim thaum lub cev tawg thiab nqus cov ntshav sib xyaw.
Purpura thiab petechiae yog dab tsi?
Purpura yog lub npe muab rau cov tawv nqaij los yog cov mucousvim haemorrhage los ntawm cov hlab ntsha me. Petechiae yog me me, purpuric lesions mus txog 2 hli thoob plaws. Ecchymoses lossis bruises yog cov ntshav ntau dua.
Kuv yuav tsum txhawj txog purpura?
Cov neeg mob uas muaj purpura nrog ib qho ntawm cov tsos mob hauv qab no yuav tsum nrhiav kev kho mob: qis platelet suav, uas tuaj yeem ua rau los ntshav ntau ntxiv tom qab raug mob, los ntshav cov pos hniav lossis qhov ntswg, lossis ntshav hauv cov zis lossis lub plab zom mov. Mob, pob qij txha o, tshwj xeeb tshaj yog nyob rau hauv pob taws thiab hauv caug.
Thaum twg petechiae thiab purpura nquag pom?
Cov tsos mob ntawm petechiae lossis purpura nyob rau hauv tus neeg mob febrile ua rau muaj kev txhawj xeeb rau tus kab mob etiology (Box 73-1). Petechiae tuaj yeem tshwm sim hauv "cov qoob loo", feem ntau pom hauv BSIs, thiab feem ntau tshwm sim nrog fever thiab raws li kev kuaj mob ntxov hauv BSI.
