A prescriber is considering prescribing the amiodarone derivative dronedarone [Multaq] for a patient with atrial flutter. The nurse should be concerned about which of the following?
a. History of asthma
b. History of hypothyroidism
c. PR interval of 260 msec
d. QT interval of 520 msec
D
Because dronedarone prolongs the QT interval by about 10 msec, it should not be used in pa-tients with a QT interval of more than 500 msec. It does not have significant pulmonary or thy-roid toxicity. It should not be used in patients with a PR interval of more than 280 msec.
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Select the statement that includes population and variable(s), and is empirically testable
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Indicate whether the statement is true or false
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