Question

at what percentage by volume of carboxyhemoglobin would a normal person experience a severe headache, weakness, dizziness, confusion, vision dimness, nausea, vomiting, and collapse

Answer 1

Blood concentrations of 3 g ml and COHb levels greater than 50% in postmortem blood samples are regarded as critical situation.

What is the most frequent starting stage of combustion in fires involving upholstered furniture that cause harm or death?

Smoldering ignition is the most common type of ignition used in house structure fires that start with upholstered furniture. 3% of these fatalities, up from 1% of these fatalities in 1980–1984 and from 3% of fires during that time.

Why is a high carboxyhemoglobin a bad thing?

Unambiguous elevation of COHb is indicative of either a hemolytic process or, more frequently, carbon monoxide poisoning. Although decreased tissue oxygenation is caused by increased COHb, this is not the main mechanism of CO toxicity. The only regularly performed laboratory measurement of COHb.

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