Table 2.
Presenting signs and symptoms of acute carbon monoxide poisoning
| Signs/symptoms in the Emergency Department | n = 347 | % |
|---|---|---|
| Headache | 203 | 58.5% |
| Transient loss of consciousness | 142 | 40.9% |
| Sinus tachycardia | 90 | 25.9% |
| Nausea/vomiting | 87 | 25.0% |
| Asthenia | 70 | 20.1% |
| Dizziness | 70 | 20.1% |
| Palpitations | 64 | 18.4% |
| Evidence of myocardial injury | 60 | 17.2% |
| GCS between 14 and 9 | 53 | 15.2% |
| Postural instability | 37 | 10.6% |
| GCS <9 | 29 | 8.3% |
| Seizures | 24 | 6.9% |
| Dyspnea | 22 | 6.3% |
| Severe metabolic acidosis (pH <7.2) | 15 | 4.3% |
| Cardiac chest pain | 6 | 1.7% |
| Systolic blood pressure <90 mmHg | 6 | 1.7% |
347 patients