false cyanosis

false cy·a·no·sis

cyanosis due to the presence of an abnormal pigment, such as methemoglobin, in the blood, and not resulting from a deficiency of oxygen.
Farlex Partner Medical Dictionary © Farlex 2012

false cy·a·no·sis

(fawls sīă-nōsis)
Cyanosis due to presence of an abnormal pigment in blood, not oxygen deficiency.
Medical Dictionary for the Dental Professions © Farlex 2012