Pulmonary Edema

Pulmonary edema refers to the imbalance in the generation and return of tissue fluid in the lung due to some reason, so that a large amount of tissue fluid cannot be leached by the lung in a short period of time? Ba and pulmonary venous system absorption, from the inside and outside of the pulmonary capillaries, accumulate in the alveoli, pulmonary interstitial and small bronchi, resulting in severe pulmonary ventilation and ventilation dysfunction, clinical manifestations of extreme dyspnea, sitting breathing, cyanosis , Sweating, paroxysmal cough with a lot of white or pink foamy sputum, both lungs covered with symmetric moist snoring, X-ray chest radiographs can see the fuzzy shadows of the two lungs, and shock or even death may occur in the later stage. Early arterial blood gas analysis may have low O2, low CO2 partial pressure, severe O2, CO2 retention, and mixed acidosis, which is one of the clinically critical diseases.