Arsin ( arsenic , hydrogen ) , poisoning
Occupational Diseases / / August 12, 2017
Arsenic hydrogen (arsine) - a colorless gas.It is found as an impurity in hydrogen in the preparation of his action of acids on metals and other processes.MPC - 0.3 mg / m3.
strong hemolytic poison metgemoglobinoobrazovatel.
develops in 3-5 hours after inhalation of arsenic hydrogen that passes unnoticed.
Symptoms: malaise, weakness, chilliness, then - headache, pain in the stomach, nausea, tightness of breath, vomiting (in severe cases - continuous).Fever, tachycardia, shortness of breath, excessive thirst, dry throat.The liver and spleen are enlarged, jaundice.The blood - sharp anemia (hemoglobin falls to 50 g / l, even up to 33 g / l), leukocytosis, increased erythrocyte sedimentation rate, hyperbilirubinemia.The urine is dark in color with a reddish tinge, sometimes the color of red wine, contains a lot of protein, red blood cells are isolated, cylinders.Oliguria.Isolation of arsenic in the urine in the first few days can reach 5-6 mg / h.
Anemia can grow for 5-10 days, then decreases,
fatigue, emaciation, trembling fingers.Pallor, nausea, dizziness, stomach pain, diarrhea, chest pain, hoarseness, shortness of breath, cough, swelling of the face and eyelids, numbness in the toes, garlic breath, anemia, itchy skin, pustular rash on her, sometimespetechiae, hyperkeratoses.Increased incidence of laryngitis.In the urine - a protein arsenic.
First aid for acute poisoning
Bed rest.Complete rest.Heat.Medical supervision, since severe symptoms may develop within a few hours after exposure.In the early hours before the onset of hemolysis - bleeding 300 ml, followed by blood transfusion, intravenous administration of glucose - 500 ml of a 10% solution of ascorbic acid 300-500 mg infusion.Subcutaneous administration of the isotope sodium chloride solution - up to a liter.Drip enema of 5% glucose solution (500 ml), insulin (10.5 U) by subcutaneous injection.Introduction alkalis.Diathermy kidneys.Novocaine blockade on Vishnevsky.Adrenalin.If severe vomiting - morphine injection with magnesium sulfate.Intravenous 20-30 ml of 30% sodium thiosulfate solution.Oxygen Inhalation.Immediate administration subcutaneously or intramuscularly mekaptida 1 ml of 40% oil solution: 1 day 3 injections every 4-5 hours, on the 2nd and 3rd days to 2 injections after 8-12 hours
Unitiol,.particularly in renal failure events, is contraindicated.At the anuria counter shows the use of hemodialysis using artificial kidney machine.In chronic intoxication - restorative treatment.
After severe acute intoxication, and when expressed chronic - discharge from exposure to arsenical hydrogen and other toxic substances.
General hygiene measures.Chemical control of the air environment.