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Hcn poisoning

Hydrogen cyanide (HCN), sometimes called prussic acid, is a chemical compound with the chemical formula HCN. It is a colorless, extremely poisonous and flammable liquid that boils slightly above room temperature, at 25.6 °C (78.1 °F) Uranium pervades homes on and near Navajo Nation EPA budget cuts threaten to slow a long-overdue cleanup

Prepeared By: Zylex Pharmaceuticals Compliance and Regulatory Division The use of the above treatment information is designed to assist governmental agencies in ascertaining the regulatory relevance for specific industry regulation Cyanide poisoning is rare.When it does occur, it's typically the result of smoke inhalation or accidental poisoning when working with or around cyanide.. You may be at risk for accidental. There are many plants which contain chemicals or which accumulate chemicals that are poisonous to livestock. The results of poisoning can range from minor irritations and slightly lowered animal performance to severe cases where the animal is in a great deal of distress and may die The term cyanide refers to any chemical containing a carbon-nitrogen (CN) bond. Many substances contain cyanide, but not all of them are deadly poisons.Sodium cyanide (NaCN), potassium cyanide (KCN), hydrogen cyanide (HCN), and cyanogen chloride (CNCl) are lethal, but thousands of compounds called nitriles contain the cyanide group yet aren't as toxic

Hydrogen cyanide - Wikipedi

  1. exposure durations, whilst the respective LC 01 values of the whole body study were slightly lower at shorter durations ()
  2. A cyanide is a chemical compound that contains the group C≡N. This group, known as the cyano group, consists of a carbon atom triple-bonded to a nitrogen atom.. In inorganic cyanides, the cyanide group is present as the anion CN −
  3. 中文名 氰化氢 英文名 hydrogen cyanide 别 称 氢氰酸 化学式 HCN 分子量 27.03 CAS登录号 74-90-8 熔 点-13.4℃ (259.75 K,7.88°F
  4. NOTE: If signs of poisoning reappear, repeat treatment using one-half the original dose of both sodium nitrite and sodium thiosulfate. In adult and pediatric patients with known anemia, it is recommended that the dosage of sodium nitrite should be reduced proportionately to the hemoglobin concentration

Leveraging on the experience gained by designing and assembling a prototype experimental apparatus reusing CO 2 to produce methane in a reaction with H 2, we are developing an alternative innovative cost effective and contaminant resistant synthetic strategy based on the replacement of the solid phase catalysis with a homogeneous gas phase process going through the forming CO 2 2+ molecular. Apple is considered as one the healthiest fruits but this same nutritious fruit can turn fatal. Yes, you heard it right. Apple seeds are capable of poisoning and causing death. Apple seeds contain. Helpful Websites relating to Child and Teen Checkups (C&TC) and C&TC Screening Component Information

grazer seed. Hegari works well on shallow soils that tend to be chlorotic. It is an older, workhorse type forage that has good drought tolerance and averag Today I found out apple seeds contain cyanide. The seeds of apples, also known as pips, contain a sugar/cyanide compound called amygdalin, which turns into hydrogen cyanide when it is metabolized in your body. Hydrogen cyanide was one of the key ingredients to Zyklon B, the trade name of. Zyklon B was used in Germany before and during the Second World War for disinfection and pest extermination in ships, buildings and machinery

Een cyanide is een verbinding die het CN − ion of een -CN functionele groep bevat. Organische verbindingen met een cyanidefunctionaliteit worden nitrilen genoemd.. Toxiciteit. Doc. Ref.: 4hyt.indd ECN I 4898 Issue 3 Page 1 of 3 4th September 2017 Product Data Sheet The Right Sensor Can Save A Life Web: www.citytech.com Email: sales@citytech.com Call: +44(0) 23 9228 810

For Emergency Department Cyanide Insigh

Cyjanek potasu, jak większość pozostałych cyjanków, jest silnie toksyczny.Jego trujące działanie polega na blokowaniu procesu oddychania na poziomie komórkowym poprzez nieodwracalną inhibicję oksydazy cytochromowej, będącej kluczowym enzymem łańcucha oddechowego oraz wtórnie fosforylacji oksydacyjnej Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid imme diately

These kits can be dangerous or even fatal for a smoke inhalation victim's concomitant carbon monoxide poisoning. However, there is a new antidote called hydroxocobalamin, which has been effectively used in France for the past 10 years. It is designed to be used on the scene or at the hospital for acute HCN poisoning from any source Hydrocyanic Acid (HCN) Poisoning. Most outbreak of hydrocyanic acid (HCN) poisoning in animals is caused by ingestion of plants, which contain cyanogenic glucosides. The commonly found plants are sorghum, sudan grass, jhonson grass, sugar cane and linseed cake or meal This signs and symptoms information for Cyanide poisoning has been gathered from various sources, may not be fully accurate, and may not be the full list of Cyanide poisoning signs or Cyanide poisoning symptoms. Furthermore, signs and symptoms of Cyanide poisoning may vary on an individual basis for each patient Cyanide poisoning, harmful effects of inhaling hydrogen cyanide or of ingesting the salts of hydrogen cyanide, called cyanides.Hydrogen cyanide, also known as hydrocyanic acid, or Hcn, is a highly volatile liquid used to prepare acrylonitrile, which is used in the production of acrylic fibres, synthetic rubber, and plastics animal to detoxify low levels of HCN. If high cyanide is suspected at the forages, cattles must not have been fed as green chop [2,11]. Conclusion Cyanide poisoning is one of the most important poisonings in animals. Especially cattle's pica ability, it became more dangerous. In this review it's aimed to pay attention to cyanide poisoning

individuals at the site of a fire to check for HCN toxicity. As a result, all firefighters need to be on the alert for HCN poisoning in fellow firefighters - both at the fire scene and afterward at the station. If a firefighter or victim shows significant signs of HCN toxicity, HCN antidotes can be administered to help speed the person' Hydrogen Cyanide Poisoning from Inhalation of Smoke Produced in Fires Much warning has been given on the dangers of carbon monoxide poisoning resulting from fires. But there is another danger to firefighters and victims in structural fires which is less recognized, and that is acute cyanide poisoning The first few frosts of the fall bring the potential for prussic acid poisoning when feeding forages. Some forage species, primarily sorghums and closely related species, contain cyanogenic glucosides, which are converted quickly to prussic acid in freeze-damaged plant tissue Cyanide poisoning may result from a broad range of exposures . Fire - In industrialized countries, the most common cause of cyanide poisoning is domestic fires . Cyanide can be liberated during the combustion of products containing both carbon and nitrogen Basis for original (SCP) IDLH: The chosen IDLH is based on the statements by Patty [1963] that 45 to 54 ppm is tolerated by man for 0.5 to 1 hour without immediate or late effects; 110 to 135 ppm, however, may be fatal after 0.5 to 1 hour or later, or dangerous to life [Flury and Zernik 1931.

Hydrogen Cyanide (HCN) poisoning is finially starting to get the recognition it deserves. HCN together with carbon monoxide can create a potentially lethal cocktail, while each deadly gas alone may be at sub IDLH levels. The focus of this group is inform firefighters of the facts associated with. Thus, the animal dies from asphyxiation at the cellular level. Animals affected by prussic acid poisoning exhibit a characteristic bright red blood just prior to and during death. Plant Factors in HCN Accumulation Several points of agreement among agronomists, animal scientists, and veterinarians on HCN accumulation in sorghum plants include: 1

Large doses of cyanide prevent cells from using oxygen and eventually these cells die. The heart, respiratory system and central nervous system are most susceptible to cyanide poisoning. What are the specific signs and symptoms of cyanide poisoning? The health effects from high levels of cyanide exposure can begin in seconds to minutes CONTENTS —TOXICOLOGICAL REVIEW OF HYDROGEN CYANIDE AND CYANIDE SALTS CONTENTS —TOXICOLOGICAL REVIEW OF HYDROGEN CYANIDE AND Thyroid parameters in HCN-exposed and unexposed electroplating workers.. 28 4-4. Reproductive effects in male rats administered NaCN in drinking water for 13.

References and links. LITFL. Flashcards - Cyanide poisoning Journal articles. Baud FJ, Barriot P, Toffis V, Riou B, Vicaut E, Lecarpentier Y, Bourdon R, Astier A, Bismuth C. Elevated blood cyanide concentrations in victims of smoke inhalation Hydrogen Cyanide and Cyanide Salts; CASRN Various Human health assessment information on a chemical substance is included in the IRIS database only after a comprehensive review of toxicity data, as outlined in the . IRIS assessment development process. Sections I (Health Hazard Assessments for Noncarcinogenic Effects) an Cyanide Poisoning. Cyanide poisoning is a factor of multiple events such as ingestion rate, HCN liberation rate from the plants, animal species involved, health status of the animals and detoxification and excretion rates The Right to Know Hazardous Substance Fact Sheets are not intended to be copied and sold for commercial purposes. Spills and Emergencies If employees are required to clean-up spills, they must be properly trained and equipped. The OSHA Hazardous Waste Hydrogen Cyanide and ). Combined Exposures to Hydrogen Cyanide and Carbon Monoxide in Army Operations tolerance is important during combined exposures of CO and HCN at concentrations found in the tank cabin should be given a high priority for future research

Uranium pervades homes on and near Navajo Nation — High

A dramatic 911 tape and surveillance video were both introduced today at the trial of a Pitt researcher accused of killing his wife with cyanide; KDKA's David Highfield reports Hydrogen cyanide, also called formonitrile (HCN), a highly volatile, colourless, and extremely poisonous liquid (boiling point 26° C [79° F], freezing point-14° C [7° F]).A solution of hydrogen cyanide in water is called hydrocyanic acid, or prussic acid.It was discovered in 1782 by a Swedish chemist, Carl Wilhelm Scheele, who prepared it from the pigment Prussian blue Prussic acid poisoning can occur within a few minutes after an animal consumes forage high in prussic acid potential. If poisoning occurs from within the rumen, symptoms may take slightly longer to appear depending upon the animal's condition, feed sources, and type and volume of forage consumed poisoning to morbidity and mortality in smoke inhalation is not known. There has been no published Australian study on the impact of combined exposure of carbon monoxide and cyanide poisoning on mortality. This paper will attempt to redress this gap in the literature. In order to assess the influence of these 2 poisons in Australia Hydrogen cyanide, HCN, is a colourless gas that smells slightly of almonds (although a small proportion of people, about 1 in 10, cannot smell it at all due to a genetic trait).It is extremely poisonous, because it binds irreversibly to the iron atom in hemoglobin, making it unavailable to transport the vital O 2 to the body's cells and tissues

A Scientist Spilled 2 Drops Organic Mercury On Her Hand. This Is What Happened To Her Brain. - Duration: 14:28. Chubbyemu 10,143,625 view Poisoning banned! The news burst like a bombshell over the rangelands of the West. And repercussions are still echoing from Montana to Texas

When poisoning is the solution A victory for an endangered fish, though some environmentalists fought hard to prevent it. Ted Williams Opinion March 12, 2014 Prussic acid (HCN), oftentimes referred to as hydrogen cyanide or just simply cyanide, is a toxic compound that forms in many warm season forage species. Under normal plant growing conditions the HCN molecule is bonded to a sugar molecule, called a cyanogenic glycoside, rendering the HCN harmless to consuming animals With higher doses the time of onset of symptoms typically is seconds following inhalation of gaseous hydrogen cyanide and may cause abrupt onset of profound CNS, cardiovascular, and respiratory effects, leading to death within minutes. Signs and symptoms may present over a much longer period of time if the the poisoning is gradual with lower doses

Symptoms of cyanide poisoning. HCN is easily absorbed from all routes of exposure [].Since CN is a small lipid soluble molecule and mainly undissociated, distribution and penetration of CN into cells is rapid Prussic acid poisoning, also known as cyanide poisoning, is a metabolic condition in livestock that can periodically occur in operations. Forages such as Johnsongrass, sorghum, sudangrass, and sorghum-sudangrass hybrids can contain toxic concentrations of hydrocyanic acid (HCN) after a frost event or during periods of drought SeCoNdAry HCN exPoSure With regard to firefighter HCN poisoning, we must also consider secondary exposure. In the left view of Figure 2, firefighters are working aggressively to save the life of a victim that was removed from a structure fire. This victim was suffering from acute HCN poisoning. In the righ Recovery of Brazilwood Poisoning in Dogs. In many cases, HCN poisoning can be fatal if you do not get treatment immediately. However, if your pet got treated right away and responded well, prognosis is good. You will need to bring your dog back for a follow up at least once for more lab tests to. Is this a typical time course for cyanide poisoning? Given that the patient ingested a solution of a cyanide salt (e.g. NaCN, KCN), a delay of onset and progression of signs and symptoms over a course of minutes can be seen. This is different from cyanide gas exposure (ie. HCN), in which the onset and progression of symptoms may occur within.

Cyanide Poisoning: Symptoms, Treatment, Complications, and Mor

Poisoning of Livestock by Plants - Ministry of Agriculture

Prussic Acid Poisoning in Livestock WASHINGTON STATE UNIVERSITY EXTENSION FACT SHEET • FS129E Introduction Prussic acid poisoning (also known as cyanide poisoning) is a metabolic condition in livestock that producers may not see very often, but entire herds can be affected by it, and the resulting death rate can be economically devastating Moved Permanently. The document has moved here Cyanide poisoning - Recommendations on first aid treatment for employers and first aiders. This information and these recommendations on the treatment of cyanide poisoning are aligned with the information in manufacturer's safety data sheets

The Chemistry of Cyanide Poisoning and Why it Kill

  1. Prussic acid is extremely poisonous. A concentration greater than 0.1 percent of dry tissue is considered highly dangerous. The active compound is hydrocyanic acid (HCN). Since prussic acid poisoning is very fast-acting livestock death can occur very quickly. Watch animals closely for any signs of toxicity
  2. This document is a general summary of cyanide's effects on human health and the environment, and is not intended to be a complete reference on all the environmental and health effects of cyanide. Human Health Effects Cyanide is produced in the human body and exhaled in extremely low concentrations with each breath
  3. Prussic acid poisoning is related to the amount of forage consumed, the rate of consumption, and the animal's physiological condition, but HCN levels in forages exceeding 200 parts per million on a wet weight (as is) basis are dangerous. On a dry weight basis, forages with more than 500 ppm HCN should be considered potentially toxic (Table 1)
  4. Medscape - Indication-specific dosing for cyanide antidote kit (sodium thiosulfate, sodium nitrite, & amyl nitrite), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information

Acute inhalation toxicity of carbon monoxide and hydrogen

Prussic acid poisoning is caused by the release of hydrocyanic acid (HCN) in cattle (and potentially other livestock) grazing sorghum-type forages. When plants are damaged due to drought, freeze, herbicides or insects, or even mechanical injury, the cyanogenetic glycoside, dhurrin, comes into. Hello all, I hope someone can help me with this! I am a career firefighter and HazMat Tech. I work at a research facility as a FF/EMT/HazMat Tech and some of the researchers just started using hydrogen cyanide.. Ive asked a few of the researchers if they is a way to neutralize it if something happens why they are off or something happens

Cyanide - Wikipedi

Prussic acid poisoning is more of a concern when grazing sorghum than when harvested for hay or silage because HCN will dissipate in harvested forages if properly ensiled/cured. Sorghum silage Prussian blue, a cyanide compound, is given as a treatment to poisoning with Thallium and Caesium, for example. The poisons referred to are usually hydrogen cyanide (HCN), and the chemicals which are similar to it, like potassium cyanide (KCN), and sodium cyanide (NaCN). (Such substances are called derivatives of hydrogen cyanide) The study of HCN poisoning has become of great importance owing to its increased technical use. In the investigations hitherto made the effect of neutralizing the poison in the gaseous form has been much neglected. The author has made investigations with 60 chemical substances or mixtures of substances to determine how far they can reduce the effect of HCN poisoning Clinical Signs of Cyanide Poisoning. Cyanide is very toxic to mammals and its effects may be noticed within 15 to 20 minutes to as long as a few hours after the victim consumes the cyanogenic plant. One clinical sign of cyanide poisoning is a bright, cherry-red coloration of the blood due to the abundance of oxygen in the blood and the.

氰化氢_百度百

  1. much of the medical information on cyanide poisoning has come from civilian experiences of poisoning, fires, and industrial accidents. Hcn is released into the atmosphere from vol-canoes, plants, bacteria, and fungi.15-21 However, the primary natural source of cyanide poisoning in humans and animals is from plants. Over 2,000 plan
  2. Information on hydrogen cyanide (HCN) for use in responding to chemical incidents. Hydrogen cyanide: health effects, incident management and toxicology - GOV.UK Skip to main conten
  3. The correlation between carbon monoxide and hydrogen cyanide in fire effluents Preston, Lancashire, PR1 2HE, UK . ABSTRACT . This study considers the demonstrated correlation between carbon monoxide and hydrogen cyanide in the between HCN and CO intoxication in fires is that for HCN.
  4. ation
  5. CYANIDE SOLUTIONS slowly evolve hydrogen cyanide, a flammable and poisonous gas. Acids cause the rapid evolution of HCN. Carbon dioxide from the air is sufficiently acidic to liberate HCN from solutions of cyanides. Incompatible with isocyanates, nitrides, and peroxides
  6. diagnosing HCN poisoning is that HCN symptoms mimic those of CO poisoning. Treatment of a possible HCN patient Because cyanide gas in fire smoke can quickly become lethal, early attention to possible cyanide poisoning may be critical for saving lives. In general, the prehospital treatment of acute cyanide poisoning entails removing the person.

Sodium Thiosulfate Injection - FDA prescribing information

Although the almonds you buy at the grocery store contain a small amount of cyanide, it's not enough to poison you. However, eating too many bitter almonds, which you can't get in the United States, may not be so good for your health and may lead to cyanide poisoning. If you suspect cyanide poisoning, go to your closest emergency room for care undissociated HCN is absorbed more rapidly than is the cyanide ion: the permeability constant measured for the cyanide ion in aqueous solution was 3.5× 10-4 cm/h, and that calculated for HCN was 1 × 10-2 cm/h (Dugard 1987). The level of absorption of gaseous HCN through the skin of volunteers was low (Schütze 1927, O'Donnell et al. 1940) The Evil Twins HCN and CO in firefighting and EMS Brian Kazmierzak The Danger of HCN. and loss of judgment. As cyanide accumulates further, signs and symptoms of poisoning reflect the effects of oxygen deprivation on the heart and brain. These include cardiac dysrhythmias, seizure, coma.

This makes it extremely difficult for doctors to diagnose HCN exposure. Many of the symptoms of HCN poisoning mimic that of CO poisoning. More importantly, studies have shown that many hospitals are not equipped to deal with HCN poisoning, so it's critical that the fire service work to raise awareness of the issue Animals ingesting wilted cherry leaves experience the release of cyanide (HCN) into the bloodstream; this toxin is very potent. All animals can be affected by ingesting wilted cherry leaves, but ruminant animals are very susceptible to poisoning from HCN Symptoms of Poisoning Symptomsof prussic acid poisoning include anxiety,progressiveweakness and labored breathing, anddeath may follow when lethal amounts of HCN areconsumed. However, the dead animals may be foundwithout visible symptoms of poisoning. Animalsmay also show increased rate of respiration, increasedpulse rate, gasping, muscular. CO (carbon monoxide) poisoning as a cause of serious poisoning or death in smoke inhalation victims has long been recognized, it was only in the 1960s to 1980s when the potential for a significant HCN-poisoning component contributing to or, in some cases, being the major cause of serious poisoning or fatality in smoke inhalatio poisoning. This was unusual in that firefighters exhibiting such symptoms are commonly tested for carbon monoxide poisoning after fires, but not normally for cyanide poisoning. When the member's blood work came back he indeed was found to have high levels of blood cyanide at 57 ug/dL. 2 The member was placed on antidote therapy for cyanide.

Methane production by CO2 hydrogenation reaction with and

A deep blue color of Prussian blue indicates cyanide ions are present. The filtrate is then dried to obtain crude sodium cyanide. Approximate yield 19g. Sodium Cyanide Safety - Poisoning - HCN Vapor Cyanide Manufacturing The various processes for the manufacture of cyanide [ The International Programme on Chemical Safety (IPCS), established in 1980, is a joint venture of the United Nations Environment Programme (UNEP), the International Labour Organization (ILO), and the World Health Organization (WHO). The overall objectives of the IPCS are to establish the scientific basi

Symptoms of cyanide poisoning may vary depending on the level of the chemical in the body. Symptoms typically include extreme nausea, vomiting, and headache.Other common symptoms include delusions and disorientation. Fainting or total cardiac arrest may also be present with this chemical poisoning HCN + Methemoglobin = Cyanmethemoglobin Na2S2O3 + HCN + O =HSCN The combination of Sodium Nitrite and Sodium Thiosulfate is the best therapy against cyanide and hydrocyanic acid poisoning. The 2 substances intravenously injected, one after the other (nitrite followed by the thiosulfate) are capable of detoxifying approximately 2 Yu's laboratory continues to work on ATCA's in vivo behavior and stability in order to explore the potential of using ATCA as a biomarker for cyanide poisoning. Future research may include looking for the presence of ACTA in the bones of victims with cyanide poisoning to extend detection methods even further

Apple seeds can be poisonous! Here's what happens when you

  1. The second in the series on poisons looks at cyanide, another notorious agent of murder. It's played a role in genocide, in suicide pills, and is also found in small amounts in the seeds of numerous fruits. So, why is cyanide so poisonous, and why are deaths from cyanide poisoning less of a rarity than those from arsenic poison in the modern day
  2. There are quantitative and qualitative tests available to learn more about the potential for prussic acid poisoning in a particular forage. 2. If HCN levels exceed 200 ppm on an 'as-is' basis.
  3. detoxify at a rate of about 0.5 gram of HCN per hour. It is therefore possible for cattle and sheep to consume forage containing small amounts of HCN without ill effects or signs of cyanide poisoning. It is only when the poison enters the blood stream at a greater rate than the detoxifying rate of the animal that fatal poisoning follows
  4. There was nothing about anyone with cyanide poisoning possessing this pigment in their blood, whatever it may have been, but which we now suspect was cyanmethemoglobin and/or a hemochromogen (described later). Adding KCN or HCN to diluted hemolyzed blood could certainly cause significant pH changes, denature proteins and cause oxidant stress
  5. This is kind of like asking which type of bear it's worst to be mauled by. Both of these chemicals are extremely toxic in relatively small doses. However, HCN is more of an acute toxin wherein radioactive isotopes of polonium will kill you over.
  6. istration of antidotal treatment on the basis of presumptive diagnosis of HCN poisoning i
  7. It is not a good idea, in the interests of public safety I will not tell you how to make bulk amounts of HCN at home. However there is a small trace of it in apple pips and peach stones, I know what HCN smells like as I have worked with cyanide.

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  1. Antidotes for Cyanide Poisoning . In the United States, there are now two types of cyanide antidotes available. The Lilly Cyanide Antidote Kit was the first and, for many years, the only such kit.
  2. Hydrogen Cyanide Market Report in Global Industry: Overview, Size and Share 2018-2023 - Global Hydrogen Cyanide Market 2023 is an extensive, professional analysis bringing market research data which is pertinent to new market entrants and recognized players. The report covers data that makes the record a resource for analysts, managers, Hydrogen Cyanide industry experts as well as important.
  3. Cyanide, HCN, which has a bitter almond smell. A person's sense of smell must not be relied on as a warning signal to detect its presence as the sense of smell fatigues easily and not everybody can smell it. Although Cyanide poisoning is uncommon, all employees where Cyanideis used should be should b

lab analysis indicates a potential for prussic acid poisoning the actual forage may be safe to eat after the stems have become dried, cracked and have allowed the toxic gas to escape. The active compound is hydrocyanic acid (HCN). Symptoms of HCN poisoning are gasping The publication focuses on the first aid treatment of HCN poisoning by the various routes of potential exposure—inhalation, ingestion, skin absorption and eye contact. It stresses the fact that speed is essential and focuses on the use of oxygen and respiratory support Grain sorghum, forage sorghum, sudangrass, sorghum sudangrass hybrids, Johnsongrass and sweet sorghums are often grazed, ensiled or hayed for livestock feed. However, all sorghum-type plants can potentially cause prussic acid poisoning in livestock that consume these forages, especially in the fall Poisoning in Cats - Symptoms and First Aid. It is a well-known fact that cats are very careful animals, but like most other living things, they are curious and likely to make mistakes o.. cyanide poisoning may prevail over carbon mon-oxide poisoning as the cause of death in some fire victims.11(p1765) Therefore, military medical officers need to be aware that victims of smoke inhalation from fires may be suffering the effects of cyanide poisoning, and might benefit from early antidotal cyanide therapy

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