The ZIO Service, by iRhythm,  is redefining the way cardiac arrhythmias are clinically diagnosed by combining their easy-to-wear and discreet ZIO XT Patch, which equals high patient compliance and superior ECG quality, with a proprientary algorithm and a comprehensive report for your physician.  The ZIO XT Patch can be worn for up to 14 days while it continuously records, stores, and analyzes all ECG data while you continue with your daily activities.  The ZIO XT patch is indicated for use on patients who may be asymptomatic or who may suffer from transient symptoms such as palpitations, shortness of breath, dizziness, light-headedness, fainting, fatigue, and anxiety.