The nurse is caring for a patient prescribed ranolazine. The patient asks why this drug is different from the beta-blocker that he was previously taking. What is the nurse's best response?
A) "This drug does not slow your heart rate."
B) "This drug increases myocardial oxygen demand."
C) "This drug slows the QT intervals."
D) "This maintains blood pressure with no hypotensive effects."
A
Feedback:
The newest drug approved for the treatment of angina is a piperazine acetamide agent called ranolazine. The mechanism of action of this drug is not understood. It prolongs QT intervals, does not slow heart rate or blood pressure, but decreases myocardial oxygen demand.
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