To retain carbon dioxide and have an oxygen level of 95%, one must be on oxygen. The mortality rate for individuals with even mild hypercapnia (pC02 > 50) is said to be 40 to 50% at one year. It could be less than a year with continued heavy
smokingQuitting smoking
Smoking - tips on how to quit
Smoking and copd (chronic obstructive pulmonary disorder)
Smoking and smokeless tobacco
Smoking hazards. It is highly that the combination of hypercapnia and carbon monoxide levels from
smokingQuitting smoking
Smoking - tips on how to quit
Smoking and copd (chronic obstructive pulmonary disorder)
Smoking and smokeless tobacco
Smoking hazards seriously interferes with oxygen
deliveryC-section
Delivery presentations
Infant care following delivery to this man's tissues. This might explain his 'passing out'. Given the strong likelihood that he will pass-out again, he definitely should not be allowed to drive. Doing so will endanger himself and others. Please speak to his doctor about this.
What you should be looking for are changes in his ability to 'think straight', bouts of
confusionConfusion
Delirium, excessive sleepiness or drowsiness, difficulty with speech or expressing himself, and the inability to use his legs or arms well. Unfortunately, as you expressed your concern, the first sign of worsening may be that he does not awaken in the morning.
You and he should speak with his doctor about what are referred to as, end-of-life-decisions, specifically to the decision to be put or not put on mechanical ventilation when he either passes out or has to be hospitalized for breathing difficulty.