The skin and mucous membranes of the whole body show different degrees of blue-purple

The appearance of different degrees of blue-purple skin and mucosa throughout the body is one of the clinical manifestations of enteric cyanosis. Is the symptoms of nitrite poisoning. Nitrite poisoning is caused by ingestion of plants containing more nitrites, such as pickled vegetables or stale vegetables, or by accidentally using industrial sodium nitrite as table salt. It can also be seen in drinking containing nitrate or nitrite. After bitter well water, nitrite can oxidize methemoglobin, which normally carries oxygen in the blood, to methemoglobin, thus losing its ability to carry oxygen and causing tissue hypoxia. The clinical manifestations are cyanosis of the skin and mucous membranes and other hypoxic symptoms. Because the occurrence of cyanosis is related to the intestine, it is also known as enterogenous cyanosis. Clinical manifestations of enteric cyanosis 1. The skin and mucous membranes of the whole body show different degrees of blue-purple; 2. Vomiting, abdominal pain, diarrhea, bloating, etc .; 3. Irritability, debilitating, late response, severe consciousness, lethargy Even convulsions and coma; 4. Dizziness, palpitations, fast pulses, Ⅱ-Ⅲ systolic murmurs or signs of pulmonary edema may be heard in the apical area, and severe cases cause respiratory loop failure.