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Questions and Answers
Which of the following antipsychotic medications is most likely to cause ECG changes, including increased heart rate and prolonged QT interval?
Which of the following antipsychotic medications is most likely to cause ECG changes, including increased heart rate and prolonged QT interval?
- Haloperidol
- Risperidone
- Ziprasidone (correct)
- Clozapine
What is the effect of thioridazine on the QTc interval compared to haloperidol, risperidone, olanzapine, and quetiapine?
What is the effect of thioridazine on the QTc interval compared to haloperidol, risperidone, olanzapine, and quetiapine?
- Prolongs the QTc interval (correct)
- Shortens the QTc interval
- Has no effect on the QTc interval
- Stabilizes the QTc interval
Which antipsychotic medication has a boxed warning for torsades de pointes and sudden death due to its effect on prolonging the QTc interval?
Which antipsychotic medication has a boxed warning for torsades de pointes and sudden death due to its effect on prolonging the QTc interval?
- Thioridazine (correct)
- Iloperidone
- Quetiapine
- Olanzapine
In which patient population is medication discontinuation recommended with consistent QTc prolongation exceeding 500 milliseconds?
In which patient population is medication discontinuation recommended with consistent QTc prolongation exceeding 500 milliseconds?
What is a common risk factor that can predispose a patient to torsades de pointes when taking antipsychotic medications?
What is a common risk factor that can predispose a patient to torsades de pointes when taking antipsychotic medications?
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