By Randy Dotinga
TUESDAY, Oct. 28, 2014 (HealthDay News) — A small new study raises more questions about the accuracy of home blood-pressure monitoring devices.
On average, researchers found, the readings were slightly inaccurate in up to 15 percent of patients. The readings were off by more than 10 mm Hg — a potentially significant difference in a blood pressure reading — in about 8 percent of cases.
There’s no way to know whether the inaccuracies are likely to mislead patients into seeking care when they don’t need it or not getting care when it’s required. It’s also not known if physicians would be able to detect that something is wrong with the readings because they’re different from those derived from more accurate machines at the doctor’s office.
Still, the findings add to previous research suggesting that the in-home devices aren’t perfect.
“Home blood pressure machines…
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