How to identify acute carbon monoxide poisoning 1.Mild poisoning: In the above-mentioned environment where a large amount of gas may be produced, feeling dizzy, headache, blurred eyes, tinnitus, nausea, vomiting, panic, general weakness, at this time, if you can perceive that it is gas poisoning, promptly open the window to ventilate and inhale fresh air, the symptoms will soon be reduced and disappear. 2.Moderate poisoning: In addition to the above-mentioned symptoms, sweating, irritability, unstable walking, pale skin, blurred consciousness, feeling sleepy and drowsy, can be cured basically if timely identified and effective measures can be taken, leaving few sequelae. 3.Severe poisoning: Accidental cases, especially poisoning caused during sleep at night, are discovered only at sunrise, when they are mostly confused, teeth are closed, the whole body is twitching, incontinence, face and lips show cherry red, respiratory pulse increases, blood pressure rises, heart rhythm is irregular, lungs have a rhythm, and body temperature may rise. 4, extremely critical, continued deep coma, weak pulse, irregular breathing, blood pressure drop, may also appear high fever 40 ℃, at this time life is critical, high mortality. Even if you are lucky enough not to die, you will be left with serious sequelae such as dullness, paralysis, loss of work and life ability.