Harvard Heart Letter

Smartphone apps for blood pressure: A clever choice?

Smartphone applications (apps) that track and create charts of blood pressure readings over time may help people to better control their condition. Some feature automated reminders to take a blood pressure reading or medications. A few include educational information on high blood pressure and the DASH diet, which helps lower blood pressure. But apps that use the phone itself as a blood pressure­–measuring device have not been confirmed as accurate and should be avoided.
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