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8-year-old male presents to a rural emergency department complaining of blurred vision, difficulty walking, vomiting, and sweating. The symptoms have been present for an hour. He denies headache, shortness of air, chest pain, abdominal pain, myalgias, or arthralgias. He lives with his parents and 2 younger sisters on a local farm. Immunizations are up to date. He has no past medical history, and he is doing well in the third grade. Prior to the onset of symptoms, he had been in the barn doing some chores. On exam, the patient is a well-developed, well-nourished white male who is slightly pale and moderately diaphoretic. His vital signs are as follows: HR 70 per minute and regular, BP 96/50 mmHg, respirations 20 per minute and shallow, and temperature 98.4 F orally. Pupils are 2mm, equal and reactive. Extraocular muscles are all intact; fundoscopic exam is grossly normal but is limited due to miosis. Vision is 20/50 bilaterally. Oropharynx is clear with very prominent secretions. Neck is supple; lungs are clear; heart sounds are regular with S1/S2 without murmurs, rubs, or gallops. Abdomen is soft and non-tender with hyperactive bowel sounds. Extremities are without rash or edema with diffuse mild weakness.
The antidote please
What is Atropine
On more detailed questioning, the parents reported that they had recently had their crops dusted with chlorpyrifos, and that unused bags had been stored in the barn. Organophosphate posiong