Mr. B was admitted from the emergency department, and you are completing his physical examination. His pupils are 2 mm bilaterally, and you notice that they fail to dilate when the penlight is moved away. This is characteristic in patients who are or have been

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Quizplus · Accepted Answer

Pupil constriction to less than 2 mm is called miosis. With miosis, the pupils fail to dilate in the dark, a common result of opioid ingestion or drops for glaucoma. Pupils are usually dilated greater than 6 mm in a coma and with sympathomimetic drugs, atropine, and head trauma.

Mr B Was Admitted from the Emergency Department, and You