Carbon Monoxide Headquarters



Carbon Monoxide Poisoning


Some Possible Mistaken Diagnoses in Patients with Carbon Monoxide Poisoning

Misdiagnosis
Cause
Neurological
Cerebrovascular accident Cerebral ischemic accident due to CO poisoning
Migraine, tension headache
headache
epilepsy Anoxic convulsions
Meningitis, encephalitis Vomiting, headache, bizzare neurological symptoms
Parkinsonism Late onset Parkinsonian symptoms
Psychiatric
Depression Lethargy, somatic symptoms
Anxiety state Hyperventilation, headache, malaise
Hyperventilation syndrome Hyperventilation
Acute confusional state Confusion, hallucinations
Cardiac
Myocardial infarction Coronary artery lesion activated through hypoxia
Cardiac arrhythmias Conduction system bypass
Parkinsonism Late onset Parkinsonian symptoms
Pharmacological & Toxicological
Drug overdose Hypoxic coma
Ethanol intoxication vomiting, ataxia, slurred speech, coma
Drug overdose Agitation, confusion, hallucination
Infections
Influenza & other viral infections Muscle aches, tachypnea, headache, exhaustion
Gastroenteritis & food poisoning Nausea, vomiting
Pneumonia dyspnea, delirium
Sinusitis Headache, malaise


...... last changed 02/11/00



Pitfalls in the Clinical Diagnosis of CO Poisoning

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