DESIGN AND PROCEDURES The study is a three-arm design of up to 600 patients who were hospitalized post-MI are recruited from a large hospital and randomized to either the education group (control group) or one of the two intervention groups. Patients randomized to one of the two intervention groups will receive a home BP monitor, trained in it's use and will have access to an interactive web-based tool based on Microsoft's HealthVault technology (for data transmission, tracking and communication). Those in the intervention arms will receive either a nurse telephone disease-management intervention or web-based disease-management intervention. Those randomized to the educational control arm, will receive usual care and information on CHD. The 12 months effects of the intervention will be evaluated.