all subjects who undergo radiofrequency ablation of paroxysmal af.

subjects with known allergy to sticky patches of event monitor

subjects with skin infection or other problems on the chest that interferes with monitor implantation

subjects who are scheduled for radiation therapy

subjects who are scheduled for therapeutic ultrasound (like lithotripsy)

subjects who are scheduled for mri

subjects who are scheduled for a procedure that uses diathermy.

subjects, in the opinion of the investigator, are not suitable candidates for the study

subjects that do not have analog telephone line at home.

existing cardiac rhythm management device (e.g., pacemaker or icd)