Don’t let carbon monoxide creep up on your family

This monstrosity arrived at my house last week. It’s the neighborhood snow blower my husband and several neighbors purchased together to share. As I stared at the machine, I thought about all the little arms and legs that could potentially be churned up as the monster chugs through the snow.  Paranoid? Perhaps. Although, I console myself, it would be hard to ignore a snow blower coming at you.

 

 

 

Unfortunately, one of the biggest winter hazards is not so loud and obvious. As the temperature drops, deaths rise from this insidious poisonous gas: carbon monoxide.

 

 

 

According to the Centers for Disease Control, about 400 unintentional deaths occur a year from carbon monoxide poisoning. Carbon monoxide results from the incomplete combustion of fuel. The gas causes a chemical suffocation by competing with oxygen in your body. The colorless, odorless gas is impossible for human senses to detect, and unfortunately, loss of consciousness usually occurs before any symptoms appear.  Those lucky enough to have warning symptoms before passing out may experience headaches, nausea or confusion.

 

 

 

Because carbon monoxide is a by-product of incomplete combustion, sources are related to energy use.  Poisoning occurs more during the winter months when fuel is used to heat closed spaces and ventilation from exhausts is poor. My sister, toxicologist and Harvard medical school instructor, Dr. Melisa Lai, tells the story of a snowplow operator a few years ago who left the house early in the morning to plow snow, only to return and find his family dead. The reason—snow blocked the exhaust pipe from the furnace and caused lethal levels of carbon monoxide to accumulate in his home.

 

 

 

Carbon monoxide also occurs in warm weather. To avoid carbon monoxide buildup in all climates:

 

 

 

Install carbon monoxide detectors. My sister says a $20 detector such as Kidde works as well as the  $150 models. Put them on every level of your home and check that the batteries work. Smoke detectors are not the same as carbon monoxide detectors. However, combination detectors are available.

 

 

 

Ventilate all appliances, heating units, and your chimney adequately.  Have them serviced yearly.

 

 

 

Be wary of the exhaust from of any vehicle. 

 

Parents have put their infants in running cars while they shovel snow, unaware that the car’s tailpipe is covered in snow. By the time they return to the car, the infant, who is extremely susceptible to carbon monoxide poisoning because of his size, is dead. Even opening the garage door when you run your car is not enough ventilation to prevent poisoning.  

 

 

 

Like cars, boats also produce carbon monoxide. Since boats are less energy efficient than cars, they spew more of the gas. While your teen boogie boards behind a motor boat, the carbon monoxide can knock her tumbling unconscious into the water.

 

 

 

Keep anything meant to burn fuel outdoors, OUTDOORS.  Even an innocent barbeque can turn into a nightmare if you decide to grill inside your garage.  Emissions from any type of grill, charcoal or gas, can send carbon monoxide levels skyrocketing. Additionally, hurricane season in the southern United States is known by toxicologists as “Carbon Monoxide Season.” During hurricanes, people buy outdoor generators and auxiliary heating units. They work so well that people then bring them indoors, trapping fumes in their homes. 

 

 

 

My sister says she has hundreds of stories about carbon monoxide poisoning, all which end tragically. Maybe I’ll let my husband store that larger-than-life-take-up-car-space neighborhood snow blower here this winter.  Then, at least I know I’ll be able to make sure no one starts up the blower in a garage.

 

 

 

For more details please visit http://www.cdc.gov/co/faqs.htm.

 

 

 

Naline Lai, MD with Julie Kardos, MD
©2010 Two Peds in a Pod

 

 

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