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Es una afección en la cual las temperaturas frías o las emociones fuertes causan espasmos vasculares que bloquean el flujo sanguíneo a los dedos de las manos y de los pies, las orejas y la nariz.
El fenómeno de Raynaud puede estar asociado con otras afecciones. Esto se denomina fenómeno de Raynaud secundario y la mayoría de las personas que lo padecen tienen más de 30 años.
Las causas comunes son:
Bakst R, Merola JF, Franks AG Jr., Sanchez M, Perelman RO. Raynaud's phenomenon: pathogenesis and management. J Am Acad Dermatol. 2008;59:633-653.
Ferri FF, ed. Ferri’s Clinical Advisor 2011. 1st ed. Philadelphia, Pa: Mosby Elsevier; 2010.
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