In the 3 study arms (BNP, Health Management and control groups) home fingerstick BNP levels will be obtained so that frequent data points are available for analysis of trends and variability. These results will remain blinded to the subjects in all study arms and their care providers in the health management and control arms, the investigator and staff will have access to the BNP results only for subjects in the BNP arm and will use this information to aid in therapy decisions.