08/29/2011 04:37 pm ET | Updated Oct 29, 2011

For Most Accurate Blood Pressure Reading, Monitor For 24 Hours: Study

Most people have their blood pressure measured once a year, but that might not be the best way to get an accurate diagnosis of hypertension. Many patients get nervous when visiting the doctor, which can lead to "white coat hypertension" -- a temporarily elevated reading at the doctor's office. A new system could eliminate misdiagnosis by requiring follow-up testing at home.

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