MICROANATOMY

Detailed explanation-1: -Central cyanosis is a generalized bluish discoloration of the body and the visible mucous membranes, which occurs due to inadequate oxygenation secondary to conditions that lead to an increase in deoxygenated hemoglobin or presence of abnormal hemoglobin.

Detailed explanation-2: -Cyanosis that occurs due to a congential or birth defect of the heart usually begins at birth or within the first few years of life. In heart failure, lung embolism, pneumonia or acute severe attack of asthma, the cyanosis may have a sudden or abrupt onset as the patient “begins to turn blue” due to lack of oxygen.

Detailed explanation-3: -Blue skin and lips is usually caused by low blood oxygen levels or poor circulation. It can be a sign of a serious problem. Call 999 or go to your nearest emergency department immediately if you notice an adult or child suddenly turning blue.