A patient with 2-year history of glaucoma enters the emergency department with signs and symptoms consistent with those caused by irreversible cholinesterase inhibitors. The nurse un-derstands that these findings are most likely the result of
a. overdose of echothiophate.
b. a drug-to-drug interaction.
c. poisoning by organophosphates.
d. a severe adverse reaction to the medication.
A
The limited indication for echothiophate should be no surprise, given its potential for toxicity. This scenario clearly states that a patient with glaucoma is displaying the signs and symptoms of overdose consistent with echothiophate.
There is no indication that the patient has experienced a drug-to-drug interaction.
There is no indication that the patient has been exposed to organophosphates.
The patient has a 2-year history of glaucoma; a severe adverse reaction would have occurred during initial use of the medication.
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