<prompt> Which of these statements is false for erythema marginatum?Lesions are serpiginousCharacteristically it is seen in Rheumatic feverRash worsens on application of heatRash is itchy  <response>: Erythema marginatum is one of the major criteria for diagnosis of rheumatic fever.It is an evanescent macular rash which has following characteristics-Pink erythematous with a clear centreRounded or serpiginous borderNon-pruriticNon-induratedTransientMigratory moves from place to placeBrought on by application of heatNot raised above skinBlanches on pressureDistribution on trunk and proximal extremities. Face is never involved.Erythema marginatum is extremely rare in Indian patients. 