Carbon Monoxide Headquarters

Chronic CO Poisoning:

Case Study #1 (cont.):

By spring 1997, the Jones' children John and Cathy, previously excellent students, were on academic probation at school. John, a 7th grader, was in danger of failing and being held back a year. Cathy was now getting C's and D's in her classes in elementary school and her teachers were concerned. Mr. Jones, who all his life had been an ambitious and successful employee at a national insurance company, believed he now was in danger of being fired.

To gain extra space in their modest 1300 square foot home, the Jones family contracted to have a fourth bedroom added during the summer of 1997. Because the old furnace in the home was the original unit and would not be adequate to heat the new larger house, the contractor installed a new one. In doing so, he discovered that the heat exchanger in the old furnace was badly rusted through, that the near horizontal run of flue pipe to the chimney was also rusted through, and that the old brick chimney was oversize, unlined, and partially blocked near the top.

Upon learning of these problems, Mr. Jones asked that the old furnace be fired up and measurements of CO made by the gas company. He had recently seen a program on TV about the dangers of CO and wanted to be sure. With the family safely outside, CO levels in the house were observed to attain 176 ppm after one hour. The whole family then went to see Dr. Blackstone, who drew blood for the measurement of carboxyhemoglobin. COHb levels came back at between 0.5% and 1.4%. The physician, not familiar with the effects of the gas, told them that since the CO was now out of their bodies, they would be well again.

Mrs. Jones continued to suffer from severe headaches, fatigue, depression, and irritability. She also continued to have cognitive and memory problems, and began to develop muscle and joint pain, to hear a buzzing sound in her head (Tinnitus), and to have various visual problems. Mr. Jones continued to find it difficult to do his job. He could not make decisions (loss of executive functioning) and lost track of details in his work. The children continued to struggle academically and socially - cognitive testing at school suggested recent significant declines in I.Q. in both children.

As of early 1999, the Jones family is attempting to recover from the health problems caused by their old, leaking furnace. They have been seen by a number of health professionals with varying results: neurologists, toxicologists, and neuropsychologists. To the Jones', it appears that few people in the medical community have much understanding of the longterm health effects of chronic CO exposure. They have retained legal counsel and are discussing options which might lead to compensation from responsible parties. Fortuitously, they have kept the old furnace, flue and other parts as evidence.

...... last changed 01/22/01

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