Dilated pupils, dry mouth and dizziness - a case study

A man, 44 years of age, presented with a 4 hour history of dizziness, blurred vision, dry mouth and dilated pupils. He was previously well and on no medications and there was no history of recent drug use, head injury or focal neurological symptoms. On questioning, the patient said that he had eaten lupini beans for lunch but that he hadn't had enough time to soak them for long enough before eating them. On examination his Glasgow Coma Score (GCS) was 15/15, heart rate 98 bpm, blood pressure 144/98, temperature 37.8°C and respiratory rate 18 breaths/minute. His skin was warm and dry with dry mucous membranes. His pupils were dilated at 6 mm and were nonreactive. Cardiovascular, respiratory, abdominal and neurological examinations were normal. He was unable to pass urine. Electrocardiogram showed normal sinus rhythm with a rate of 98 bpm.