A patient presents with pinpoint pupils (miosis), coma, and a respiratory rate of 4 breaths per minute. This 'triad' is classic for which condition?
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Correct answer: Acute opioid overdose
The clinical triad of miosis, coma, and respiratory depression is highly suggestive of opioid poisoning. Miosis occurs because opioids stimulate the Edinger-Westphal nucleus of the oculomotor nerve.
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