Cyanosis classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Amandeep Singh M.D.[2]

Overview

Cyanosis may be classified into 2 subtypes/groups: peripheral and central cyanosis.

Classification

• Cyanosis may be classified into 2 subtypes/groups:
  • Peripheral cyanosis- affecting hands and feet
    • Pseudocyanosis- It resembles peripheral cyanosis
  • Central cyanosis- also, lips, tongue and sublingual tissue