Medical News Today: Peripheral cyanosis: Causes of blue hands and feet

Peripheral cyanosis is when the fingertips, hands, or feet turn blue or green. This happens when those extreme body parts are not getting enough oxygen from the blood. Cold temperatures, heart, or lung problems can cause peripheral cyanosis. Learn about the causes, symptoms, and treatment here.
Source: Health News from Medical News Today - Category: Consumer Health News Tags: Blood / Hematology Source Type: news