Lips – bluish; Fingernails – bluish; Cyanosis; Bluish lips and fingernails; Bluish skin
Definition of Skin discoloration – bluish
Cyanosis is a bluish color to the skin or mucus membranes due to a lack of oxygen in the blood.
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 6/12/2009