U.S. Centers for Disease Control and Prevention, 430 Americans die each year from accidental CO poisonings. and the gas sends an estimated 50,000 Americans to the emergency room.During power outages, many people unknowingly put themselves at risk by using portable generators, propane stoves, furnaces, kerosene heaters and lanterns.
During this week’s polar vortex, which left millions of Americans without power, Cook Children's Medical Center in Fort Worth, Texas treated at least 13 kids with carbon monoxide poisoning.RELATED: 13 kids treated overnight at Cook Children’s with carbon monoxide poisoningAdvertisementSymptoms of CO poisoning can be variable and nonspecific.