Malar flush

 ( Valvular Heart Disease ) 

Malar flush is a plum-red discolouration of the high cheeks. It is classically associated with mitral valve stenosis due to the resulting CO₂ retention and its vasodilatory effects. It can also be associated with lupus, polycythemia vera and homocystinuria.

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Definition Malar flush is a plum-red discolouration of the high cheeks.

(2025). 9780781770125, Lippincott Williams & Wilkins. . ISBN 9780781770125

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Pathophysiology Mitral valve stenosis may cause malar flush due to CO₂ retention, which causes vasodilation of arterioles in the cheeks.

It can also be associated with other conditions, such as lupus, polycythemia vera and homocystinuria.

(2025). 9780323511452, Elsevier. . ISBN 9780323511452

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See also

• Malar rash

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