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% |