Studies are currently underway to determine mortality risk of ziprasidone. Findings indicate that ziprasidone has additional mortality risk related to which of the following?

a. slightly prolonging the cardiac QT interval, increasing susceptibility to arrhythmias
b. exacerbation of the sleep apnea commonly observed with long-term use of these drugs
c. lack of improvement in "negative" symptoms, even after long-term use of these drugs
d. development of diabetes that sometimes accompanies long-term use of these drugs


A
Studies are currently underway to determine if ziprasidone may have additional mortality risk because of its tendency to slightly prolong the cardiac QT interval. This could possibly increase the client's susceptibility to dangerous arrhythmias. The other options are not specific to the studies regarding ziprasidone.

Nursing

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