A medical expert told Jimu News that thallium is a rare heavy metal, usually only available in laboratories, and is difficult for ordinary people to access, and it may leave sequelae after curing, and may even cause cancer.

Jimiao News Reporter Xie Mao

htmlOn February 22, a netizen asked for help, saying that his 1-year-old cousin's niece " thallium poisoning " urgently needed treatment for Prussian blue , which attracted widespread attention. On February 24, the family said that the girl had found the corresponding medicine and was being treated in the hospital, and the police have filed an investigation. A medical expert told Jimu News that thallium is a rare heavy metal, usually only available in laboratories, and is difficult for ordinary people to access, and it may leave sequelae after curing, and may even cause cancer.

"Where can I buy medicinal Prussian blue? Please everyone, my cousin's niece was poisoned and I urgently needed this medicine. Please everyone." At around 6 pm on February 22, a netizen in Fuzhou posted a message of help, hoping that some netizens could provide channels to buy Prussian blue, and many netizens began to help find it. The "test data results" released by the netizen showed that the patient was a 1-year-old girl. After urine and blood tests, "urine thallium 12,800μg/L and blood thallium 1857μg/L". Three hours later, the netizen posted another message saying that the drug had been found.

On the evening of February 22, the netizen said that he was not clear about the cause of thallium poisoning and had reported the case to the public security organs. On the morning of the 24th, a reporter from Jimu News noticed that the blogger had deleted all posts related to this and left a message saying: "The police have filed an investigation."

According to Southern Metropolis Daily , Fujian Fuzhou Children's Hospital admitted a 1-year-old girl and was treated in the Children's ICU. The girl's condition "has not particularly worsened" and has contacted the hospital with relevant drugs. On the morning of the 24th, a reporter from Jimu News called the hospital, hoping to understand the treatment of the girl, but the hospital did not respond positively to the matter.

Xu Tao, director of the Department of Critical Care Medicine of Wuhan Fourth Hospital, said in an interview with Jimu News that thallium is a colorless and odorless heavy metal, and its compounds belong to the highly toxic category. Clinical diagnosis is usually to collect urine of poisoned patients for 24 hours, and the thallium content can be quantitatively determined by atomic absorption spectrum method. The urine thallium concentration exceeds 300μg/L and blood thallium exceeds 40μg/L can be confirmed. The test result of the girl was "urinary thallium 12800μg/L and blood thallium 1857μg/L", which was already a particularly large dose.

Director Xu introduced that the Prussian blue purchased by the family is a non-toxic pigment, which has a certain effect in treating thallium poisoning. The potassium in Prussian blue can replace the thallium in the human body, forming an insoluble substance and excreted with feces. This treatment method is more suitable for the early stage of diagnosis. If the patient is in serious condition, he can use blood perfusion , plasma replacement and other methods, which are safe and effective. 1-year-old babies can also use it, just grasp the dose. In addition, there may be sequelae after the cure of thallium poisoning, such as neurological damage, vision loss, etc. Thallium is carcinogenic and may cause cancer.

Director Xu said that thallium is rare in life. It is not until it lives near a mine containing thallium, and accumulates in the human body through contact with dust and drinking water, which leads to poisoning. In cities, only laboratories that do specific research are available, which is difficult for ordinary people to access.

The official website of the Chinese Center for Disease Control and Prevention shows that in 2008, the Occupational Health Center of the Chinese Center for Disease Control and Prevention released a "List of Common Anti-toxification Drugs for Chemical Poisoning", which included Prussian Blue. The introduction article said that a reserve database of drug treatments for poison was established in Beijing, Guangzhou and Chengdu respectively. This batch of antidotes is only used for sudden poisoning incidents.

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