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Malar flush is a plum-red discolouration of the high cheeks classically associated with mitral stenosis due to the resulting CO2 retention and its vasodilatory effects.[1]

Malar flush
Differential diagnosismitral stenosis, SLE

It can also be associated with other conditions, such as SLE[2] or polycythemia rubra vera.[3]


  1. ^ Topol, Eric J; Califf, Robert M (2007). Textbook of cardiovascular medicine (3rd ed.). Philadelphia: Lippincott Williams & Wilkins. p. 194. ISBN 9780781770125. Retrieved 13 January 2017.
  2. ^ Dreizen, S (January 1991). "The butterfly rash and the malar flush. What diseases do these signs reflect?". Postgraduate Medicine. 89 (1): 225–8, 233–4. doi:10.1080/00325481.1991.11700800. PMID 1824645.
  3. ^ Clarke, R. "Mitral Facies" (PDF). Ask Doctor Clarke. Retrieved 13 January 2017.