There is a congenital difference between cyanosis and cyanosis with synonyms.

Cyanosis and cyanosis, from the reason, blood hypoxia appears in some parts of the body with high transparency, that is, the "central cyanosis" of lips, cheeks, tongue, and nasal tips. "peripheral cyanosis" in places such as nail beds, fingers and other extremities that are easy to observe, thin skin, less pigment, and rich blood flow. If central cyanosis and peripheral cyanosis coexist, it is called "mixed cyanosis".

A deeper cause of cyanosis is an increase in deoxyhemoglobin in the blood, which is actually reduced hemoglobin more than 50g/L, resulting in bluish purple skin and mucous membrane. And symptoms, cyanosis has a diffuse sexual tendency. There are drugs or chemicals and other poisoning, will make abnormal hemoglobin in the blood derivatives, will also form cyanosis, such as food poisoning in life cyanosis, but also caused by poisoning.

Finger cyanosis

In addition to acute cyanosis caused by drug and chemical poisoning, the formation of pathological cyanosis is chronic and constantly expanding and deep. In terms of age and mode of onset, infants and young children should actively prevent cyanosis because of their weak resistance. Because adults can eat kimchi and so on, children can easily lead to poisoning after eating, and the whole body will be blue and purple after poisoning.

There are enterogenous poisoning cyanosis, and women's menstrual cycle cyanosis, infant congenital cyanosis, cardiac insufficiency cyanosis phenomenon. Enterogenous poisoning cyanosis often occurs in the misuse of nitrite in infantile enema. Some women's menstrual cycle will also appear paroxysmal, idiopathic pulmonary cyanosis, accompanied by cough, expectoration and other respiratory system symptoms; in cardiac insufficiency cyanosis, will be accompanied by palpitation, fatigue, dyspnea, hepatomegaly, jugular vein anger, lower limb edema, and so on.

Central cyanosis

Cyanosis in infants born at birth, or cyanosis of unknown causes in childhood, may be related to congenital heart disease and congenital methemoglobinemia. Congenital heart disease with left-to-right shunt and pulmonary hypertension can be seen in the diagnosis. Reverse shunt cyanosis occurs later. If it is late dominant cyanosis, it may occur after middle age. Limb cyanosis occurs again and again. Pathologically, it is a disturbance of local blood circulation, but it is related to chemical properties such as nitrogen-containing compounds and aromatic amino compounds.

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