Scarlet Fever
Scarlet Fever
?Scarlet FeverScarlet fever is an acute respiratory infection口caused by Group A β-hemolytic streptococci(GAS, S. Pyogenes) which produce erythrogenictoxins.Fever,pharyngitis，scarlet maculaeover口ingeneralized erythema, and desquamationconvalescentstage.Immunopathogenic complications, knownas口rheumatic fever or glomerulonephritis, may occur in2 to 3 wk after infection in some cases.DIVISION OFINFECTIOUS DISEASE AND GASTROENTEROLOGY
Scarlet Fever DIVISION O F INFECTIO US DISEAS E AND GASTRO ENT E RO LO GY □ Scarlet fever is an acute respiratory infection cau sed by Group A β - hemolytic streptococci (GAS, S. Pyogenes) which produce erythrogenic toxins. □ Fever, generalized pharyngitis, s carlet maculae over erythema, and des quamation in convalescent stage. □ Immunopathogenic complications, known a s rheumatic fever or glomerulonephritis, may occur in 2 to 3 wk after infection in som e cases
?History神馨双天女国场Thomas Sydenham叶天士(YeTian Shi)(1624-1689)（166)745"the ShakespeareofMedicine"First clinical described and named in清代，叶天士有较详细记述，中1675inhistorybySydenham.医称为“烂喉痧”（LanHouSha）DIVISION OFINFECTIOUS DISEASE AND GASTROENTEROLOGY
His t o r y Thomas Sydenham (1624-1689) "the Shakespeare of Medicine" Firstclinicaldescribed and n a m e d in 1675 in historyby Sydenham. 清代，叶天士有较详细记述，中 医称为“烂喉痧”(Lan Hou Sha) 叶天士(YeTian Shi) (1666-1745) DIVISION O F INFECTIO US DISEAS E AND GASTRO ENT E RO LO GY
?Scarlet FeverStreptococciThe gram-positive cocci that grow in pairsor variable-lengthchainsDIVISION OFINFECTIOUS DISEASE ANDGASTROENTEROLOGY
The gram-positive cocci that grow in pairs or variable-length chains DIVISION O F INFECTIO US DISEAS E AND GASTRO ENT E RO LO GY Scarlet Fever Streptococ ci
?Scarlet Fever Classification of Streptococci Virulence of Group Aβ-hemolytic streptococciEpidemiology Pathophysiology Clinical Manifestations Complications Lab studiesDiagnosis &DifferentialDiagnosis Treatment PrognosisDIVISION OFINFECTIOUS DISEASE AND GASTROENTEROLOGY
□ Classification of Streptococci □ Virulence of Group A β - hemolytic streptococci □ Epidemiology □ Pathophysiology □ Clinical Manifestations □ Complications □ Lab studies □ Diagnosis & Differential Diagnosis □ Treatment □ Prognosis DIVISION O F INFECTIO US DISEAS E AND GASTRO ENT E RO LO GY Scarlet Fever