A patient who has stable angina is taking nitroglycerin and a b-blocker.The patient tells the primary care NP that the cardiologist is considering adding a calcium channel blocker.The NP should anticipate that the cardiologist will prescribe:

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Nitrates and β-blockers are first-line therapy for stable angina.Calcium channel blockers should be reserved for patients who cannot take these agents or patients whose symptoms are not controlled with these agents.Verapamil is one of the calcium channel blockers that should be used.The other calcium channel blockers are not recommended for this purpose.

A Patient Who Has Stable Angina Is Taking Nitroglycerin and a B-Blocker.The