Objectives:

• Recognize causes of PACs
• Treat a patient with bothersome PACs

1		A 22-year-old female presents to your office with a history of palpitations. You are able to capture the arrhythmia on the monitor in your office: the rhythm strip shows evidence of isolated premature atrial contractions (PACs). You take a history from this patient. She is taking no other medications and there is no family history of any similar problems. All of the following are salient points of the history with regard to PACs EXCEPT:
			A)	Aged cheese consumption.
			B)	Caffeine use.
			C)	Tobacco use.
			D)	Alcohol use.
			E)	COPD.
2		Which of the following statements about PACs is true?
			A)	There is an increased incidence of PACs in patients with mitral valve prolapse.
			B)	Mitral valve stenosis in patients without CHF is associated with PACs.
			C)	Bicuspid aortic valve in patients without CHF is associated with PACs.
			D)	None of the above is true.
3		The patient is bothered by her PACs. She is rather aware of them and finds them disconcerting. What is the best pharmacologic therapy to consider at this point?
			A)	Sotalol.
			B)	Metoprolol.
			C)	Traysolol.
			D)	Amiodarone.