Rashes.
I. Non-hemorrhagic rash.
1. Non-infectious rash.
(1) Associated with drug use, not accompanied by lymph node enlargement drug rash.
(2) Generalized maculopapular rash or maculopapular rash, other organ involvement manifested —-ENA and ANA examination, skin and muscle biopsy connective tissue disease.
2. Infectious rash.
(1) prodromal khat symptoms, fever 3-4 days rash, rash order from head and face to trunk extremities, rash out fever high rash fading pigmentation and desquamative measles.
(2) Fever 0, 5-1 days rash, posterior occipital postauricular postcervical lymph nodes swelling with tenderness – if necessary, pathogenic examination rubella.
(3) High fever for 3-5 days followed by rash, and fever subsiding rash out of early childhood emergency rash.
(4) Rash, maculopapular rash, pruritic blisters, centripetal distribution of chickenpox.
(5) Fever, pharyngitis, strawberry tongue, rash 1-2 days after fever, rash out of fever higher, rash fade flaky peeling scarlet fever.
(6) Fever, sore throat, lymph nodes, hepatosplenomegaly, anisocytic lymphocytes, EBV antibody-positive infectious mononucleosis.
(7) Persistent high fever, rose rash, relatively slow pulse, and gastrointestinal symptoms typhoid fever.
II. Hemorrhagic rash.
1, non-infectious rash.
(1) Bilateral lower extremity buttocks symmetrical recurrent in batches, joint digestive tract kidney involvement – normal platelet count, vascular fragility test – allergic purpura.
(2) with thrombocytopenia, bone marrow examination, thrombocytopenic purpura.
2. Infectious rash.
(1) Present in winter and spring, hyperthermic convulsions and impaired consciousness, positive meningeal irritation, blood culture skin petechiae smear examination and cerebrospinal fluid examination-rheumatoid.
(2) Pre-existing cardiac lesions, murmur changes with signs of peripheral vascular embolism, blood cultures, cardiac ultrasound – infective endocarditis.
(3) Infection, anemia, bleeding, skeletal pain, lymph nodes, liver and spleen enlargement – peripheral blood infantile cells, bone marrow cytology examination blood bone marrow culture – leukemia or sepsis.