Mildly intoxicated people with headache, dizziness, tinnitus, pre-cardiac pain or palpitations, nausea, vomiting, weakness of limbs, and even a short fainting, blood carbon oxyhemoglobin concentration can be higher than 10%;
In addition to the above symptoms, there are skin mucous membranes are cherry red, sweaty, irritable, gait instability, vague consciousness, and even into a shallow to moderate state, blood carbon oxygen hemoglobin concentration can be higher than 30%;
Severe patients quickly enter a deep coma, appear occurring aggressive and aggressive spasms, pupil shrinkage, muscle tone enhancement, frequent convulsions, stool incontinence, shock, accompanying cerebral edema, pulmonary edema, severe heart muscle damage, heart rhythm disorder sepsis or conduction block, high fever, convulsions, skin mucosa red or pale, blood carbon hemoglobin can be more than 50%. After some patients wake up in a coma, after about 2 to 60 days of symptom remission period, there may be late encephalopathy, mainly to conscious mental disorders, cone system or cone in vitro damage;
Deep poisoning can be fatal. Repeated inhalation of a certain amount of carbon monoxide over a long period of time can cause damage to the nervous and cardiovascular system.
