The document discusses issues around patient access to their own medical data from implanted devices and electronic health records. It notes that currently, patients' data is controlled more by device vendors and medical providers rather than the patients themselves. The document advocates for patients having more access and control over their own health data so they can be more empowered, engaged partners in managing their care. It cites a survey finding that most patients believe their health data belongs to them, though many doctors still support limited patient access to electronic health records.