The Primary Care NP Sees a New Patient for a Routine

The primary care NP sees a new patient for a routine physical examination.When auscultating the heart,the NP notes a heart rate of 78 beats per minute with occasional extra beats followed by a pause.History reveals no past cardiovascular disease,but the patient reports occasional syncope and shortness of breath.The NP should:

A) order an ECG and refer to a cardiologist.
B) schedule a cardiac stress test and a graded exercise test.
C) order a complete blood count (CBC) and electrolytes and consider a trial of procainamide.
D) prescribe a β-blocker and anticoagulant and order 24-hour Holter monitoring.