Minggu, 22 Juni 2014

I have carbon monoxide poisoning?




embraer178


So I tried to commit suicide in my car with the exhaust gas and once I started to feel dizzy, lose some of my hearing, and my vision got messed up (within about 1 minute), I freaked out and got of of the car, and turned it off. I went for a walk outside and I can't walk straight, my hearing is still partially gone, and I have a pounding head ache with some nausea. Will I be okay in a few hours or a day or can I still die? Because that was terrifying and I don't want to die.


Answer
Carbon monoxide poisoning occurs after enough inhalation of carbon monoxide (CO). Carbon monoxide is a toxic gas, but, being
colorless, odorless, tasteless, and non-
irritating, it is very difficult for people to detect.
Carbon monoxide is a product of incomplete combustion of organic matter with insufficient oxygen supply to enable complete oxidation to carbon dioxide (CO2) and is often produced in domestic or industrial settings by older motor
vehicles and other gasoline-powered tools,
heaters, and cooking equipment. Exposures at
100 ppm or greater can be dangerous to human health.[1] Symptoms of mild acute poisoning include headaches, vertigo, and flu-like effects; larger exposures can lead to significant toxicity of the central nervous system and heart, and even death. Following acute poisoning, long-term sequelae often occur. Carbon monoxide can also have severe effects on the fetus of a pregnant woman. Chronic exposure to low
levels of carbon monoxide can lead to depression, confusion, and memory loss. Carbon monoxide mainly causes adverse
effects in humans by combining with hemoglobin to form carboxyhemoglobin (HbCO) in the blood. This prevents oxygen
binding to hemoglobin, reducing the oxygen-
carrying capacity of the blood, leading to hypoxia. Additionally, myoglobin and mitochondrial cytochrome oxidase are thought to be adversely affected. Carboxyhemoglobin
can revert to hemoglobin, but the recovery
takes time because the HbCO complex is fairly
stable. Treatment of poisoning largely consists of
administering 100% oxygen or providing hyperbaric oxygen therapy, although the optimum treatment remains controversial.[2] Oxygen works as an antidote as it increases the removal of carbon monoxide from
hemoglobin, in turn providing the body with
normal levels of oxygen. The prevention of
poisoning is a significant public health issue.
Domestic carbon monoxide poisoning can be
prevented by early detection with the use of household carbon monoxide detectors. Carbon monoxide poisoning is the most common type of fatal poisoning in many countries.[3] Historically, it was also commonly used as a
method to commit suicide, usually by deliberately inhaling the exhaust fumes of a
running car engine. Modern cars with
electronically controlled combustion and
catalytic converters produce so little carbon
monoxide that this is much less viable. Carbon
monoxide poisoning has also been implicated as the cause of apparent haunted houses.
Symptoms such as delirium and hallucinations
have led people suffering poisoning to think
they have seen ghosts or to believe their house is haunted.

At what level does carbon monoxide become dangerous?




The Mrs.


After cooking on our new gas stove last night for approximately 30-45 minutes, my husband said that the carbon monoxide detector in our bedroom read a level of 15ppm. This is the highest we have seen it, generally speaking it doesn't go over 10ppm. At what point (in ppm) should we be concerned?


Answer
Any level of carbon monoxide is dangerous, it inhibits hemoglobin, myoglobin, and mitochondrial cytochrome oxidase (which are all VERY important!).

But typically, a concentration of as little as 0.04% (400 parts per million) carbon monoxide in the air can be fatal.

Below is a chart to help elaborate on the toxicity levels of CO and its symptoms:
* 35 ppm (0.0035%) Headache and dizziness within six to eight hours of constant exposure
* 100 ppm (0.01%) Slight headache in two to three hours
* 200 ppm (0.02%) Slight headache within two to three hours
* 400 ppm (0.04%) Frontal headache within one to two hours
* 800 ppm (0.08%) Dizziness, nausea, and convulsions within 45 minutes. Insensible within two hours.
* 1,600 ppm (0.16%) Headache, dizziness, and nausea within 20 minutes. Death in less than two hours.
* 3,200 ppm (0.32%) Headache, dizziness and nausea in five to ten minutes. Death within 30 minutes.
* 6,400 ppm (0.64%) Headache and dizziness in one to two minutes. Death in less than 20 minutes.
* 12,800 ppm (1.28%) Unconsciousness after 2-3 breaths. Death in less than three minutes.

In addition, a recent report concludes that carbon monoxide exposure can lead to significant loss of lifespan after exposure due to damage to the heart muscle.




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