Katie Haines, 31, of Wokingham, drowned in the bath after breathing in carbon monoxide from a leaking boiler.

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His wife, Katie Haines, 31, of Wokingham, drowned in the bath after breathing in carbon monoxide from a leaking boiler.

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Rescuers have long monitored patients' breathing tubes for carbon dioxide to make sure the device was correctly placed in the windpipe instead of the esophagus.

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When a person's breathing slows down, not enough carbon dioxide gets removed from the body, and not enough oxygen enters.

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They also created something called a carbon monoxide re-breathing test, which they believe is the most effective way to measure how much hemoglobin an athlete is carrying.

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It calculated breathing rate by measuring the amount of carbon dioxide exhaled with each breath.

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His breathing was measured two ways: by the experimental wireless network, and by a carbon dioxide monitor connected to his nostrils by tubes.

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She memorized Ms. Garland's breathing patterns to retain similar song phrasings, then tweaked the delivery slightly so the interpretation would seem less like a carbon copy.

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