Julia S. Lehman, Arlo J. Miller, Megha M. Tollefson, Lawrence E. Gibson

Research output: Chapter in Book/Report/Conference proceedingChapter


Livedo is a cutaneous sign characterised by violaceous patches and plaques in a reticulated configuration. Many acute, potentially life-threatening conditions may lead to livedo. In evaluation of the acutely ill patient with livedo, one must consider disseminated infection, disseminated intravascular coagulation, and medication effect. Many chronic conditions may contribute to livedo. A thorough history and physical examination are required to identify the etiology of livedo in the chronically ill patient who is haemodynamically stable. In well-appearing patients in whom other causes of livedo have been excluded, one may consider physiologic, idiopathic, or primary livedo in the diagnosis. Erythema ab igne, a condition that may mimic livedo, is diagnosed after obtaining a history of prolonged heat exposure at the involved area.

Original languageEnglish (US)
Title of host publicationLife-Threatening Dermatoses and Emergencies in Dermatology
PublisherSpringer Berlin Heidelberg
Number of pages7
ISBN (Print)9783540793380
StatePublished - Dec 1 2009

ASJC Scopus subject areas

  • Medicine(all)


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