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Hemorragias en astilla - Overview

Nombres alternativos

Hemorragia en las uñas de los dedos de las manos

Definición:

Las hemorragias en astilla son áreas pequeñas debajo de las uñas de manos y pies que presentan sangrado (hemorragia). Toman la forma de líneas rectas y pueden ser causadas por un daño a los vasos sanguíneos.

Consideraciones generales:

Las hemorragias en astilla aparecen como líneas de sangrado delgadas entre rojas y café rojizas por debajo de las uñas, se extienden en la dirección en que crece la uña y reciben este nombre porque tienen la apariencia de una astilla por debajo de la uña. Las hemorragias pueden ser causadas por coágulos microscópicos que causan daño a los pequeños capilares que se encuentran debajo de las uñas.

Las hemorragias en astilla están asociadas con endocarditis (infección de las válvulas del corazón) y pueden representar lesión vascular por inflamación de los vasos sanguíneos (vasculitis) o coágulos microscópicos que dañan los pequeños capilares (microémbolos).

Causas comunes:

  • Trauma en la uña (la causa más común)
  • Endocarditis bacteriana aguda o subaguda
  • Reviewed last on: 8/8/2009
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Seidel HM, Ball JW, Dains JE, Benedict GW. Mosby's Guide to Physical Examination. 6th ed. Mosby: Philadelphia, Pa; 2006.

Holzberg M. Common nail disorders. Dermatol Clin. 2006;24:349-354.

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