Tiandi first and introduces the precautions when testing carbon monoxide
Introduction: Carbon monoxide is a toxic gas. When detecting carbon monoxide, you must first understand its hazard. So you know what to pay attention to when testing it. The following are all aspects of the information for everyone.
The symptoms of carbon monoxide poisoning are manifested in the following aspects:
First, mild poisoning. Patients may experience headache, dizziness, insomnia, blurred vision, tinnitus, nausea, vomiting, general malaise, tachycardia, and transient fainting. The blood carboxyhemoglobin content is 10% to 20%.
The second is moderate poisoning. In addition to the above symptoms, lips, nails, skin mucous membranes appear cherry red, sweating, blood pressure first increased and then decreased, heart rate accelerated, arrhythmia, irritability, temporary sensation and movement separation (ie, there is still thinking, but can not act) . Symptoms continue to worsen, and can cause drowsiness and coma. The blood carboxyhemoglobin is about 30% to 40%. After timely rescue, it can be awake quickly, generally without complications and sequelae.
The third is severe poisoning. The patient quickly entered a coma. In the early stage, the muscle tension of the limbs increased, or paroxysmal tonic spasm; the late muscle tension was significantly reduced, the patient's face pale or bruising, blood pressure decreased, the pupil dilated, and finally died of respiratory paralysis. Survivors who survive the rescue may have severe comorbidities and sequelae.
Sequel
Patients with moderate or severe poisoning have neurasthenia, tremor paralysis, hemiplegia, hemianopia, aphasia, dysphagia, mental retardation, toxic psychosis or denervation. Some patients may develop secondary encephalopathy.
Carbon monoxide poisoning dose
When the concentration of carbon monoxide in the air reaches 50ppm, healthy adults can withstand 8 hours; when reaching 200ppm, healthy adults have mild headache and fatigue after 2~3 hours; when reaching 400ppm, healthy adults have forehead pain within 1-2 hours. After 3 hours, life-threatening; at 800ppm, healthy adults within 45 minutes, dazzling, nausea, convulsions, loss of consciousness within 2 hours, death within 2 to 3 hours; reaching 1600ppm, healthy adults within 20 minutes of headache, dazzling, Nausea, death within 1 hour; when reaching 3200ppm, healthy adults have headache, vertigo, nausea within 5 to 10 minutes, and die within 25 to 30 minutes; when reaching 6400ppm, healthy adults have headache, vertigo, nausea within 1-2 minutes. 10 to 15 minutes of death; when reaching 12,800 ppm, healthy adults die within 1 to 3 minutes.
Carbon monoxide leakage emergency treatment
1. Open the doors and windows, do not touch indoor appliances to prevent explosion.
2. Move the patient to a ventilated place and loosen the clothes to maintain a supine position.
3. The patient's head is tilted back to make the airway unblocked.
4. If the patient has breathing, keep warm with a blanket and seek medical attention promptly.
5, if the patient does not breathe, it is necessary to perform artificial respiration while calling an ambulance.
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