Table 1.

Summary of clinical characteristics of study participants.

Subject	Age	Gender	Cardiac diagnoses	Cardiac medications
1	44	Male	Sick sinus syndrome	Propanolol
2	56	Female	Neurocardiogenic/cardioinhibitory syncope	Metoprolol Lipitor
				Enalapril
				Aspirin
3	80	Female	Sick sinus syndrome	metoprolol
				Triamterene/HCTZ
				Lovastatin
4	72	Male	Sick sinus syndrome s/p atrial flutter ablation	None
				Aspirin
5	50	Female	Sick sinus syndrome	Metoprolol XL Ezetimibe/simvastatin
6	77	Female	Sick sinus syndrome	Sotalol
7	51	Female	h/o Mobitz 2, Type 1 AV block	Atorvastatin
8	52	Male	Sinus bradycardia	None
9	63	Male	Sick sinus syndrome, s/p atrial fibrillation ablation	Sotalol

s/p=status post, AV=atrioventricular, HCTZ=hydrochlorothiazide, h/o=history of