A patient is admitted to the unit with complaints of abdominal pain and a history of myasthenia gravis. During the health history the nurse determines that the patient has been taking neostigmine (Prostigmin)
The nurse should further assess the patient for
a. bradycardia, diaphoresis, and urinary urgency.
b. tachycardia, diaphoresis, and urinary retention.
c. xerostomia, diaphoresis, and mydriasis.
d. increased gastric motility, mydriasis, and urinary retention.
ANS: A
Accumulation of acetylcholine, seen in patients with myasthenia gravis, results in bradycardia, diaphoresis, and urinary urgency. These assessment findings are also a result of the adverse effects of neostigmine.
Tachycardia and urinary retention are not adverse effects of excessive muscarinic stimulation.
Xerostomia and mydriasis are not adverse effects of neostigmine or an accumulation of acetylcholine.
Increased gastric motility, mydriasis, and urinary retention are not adverse effects of neostigmine or an accumulation of acetylcholine.
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