Following her diagnosis of congestive heart failure in 2004,68-year-old Carolyn Thornton was given a choice: She could wait at her suburban Boston home for twice-weekly medical readings taken by a visiting nurse and recorded in a notebook, or do it herself. Her decision to take her own daily readings and transmit them to cardiac nurses in Boston may have saved her life. When a nurse noticed a precipitous drop in Thomton's blood pressure reading, she called the patient and urged her to seek medical attention.
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