Table 1 Causes of CO poisoning, initial symptoms and symptoms observed during the study
From: Neuropsychological outcome after carbon monoxide exposure following a storm: a case-control study
Cause of CO poisoning | |
Electric generator | 58% |
Gas heater | 29% |
Charcoal heater | 8% |
Gas water heater | 5% |
Initial symptoms* | |
Headache | 82% |
Dizziness | 55% |
Nausea | 53% |
Fatigue | 29% |
Loss of consciousness | 29% |
Cardiac ischemia | 10% |
Severe ketoacidosis | 3% |
Acute pulmonary edema | 3% |
Symptoms during study evaluation | |
Headache | 47% |
Fatigue | 45% |
Feeling sad | 39% |
Concentration difficulties | 39% |
Feeling apathetic | 32% |
Experiencing reviviscences | 32% |
Memory complaint | 26% |
Reduction of daily activities | 26% |
Still on sick leave | 24% |