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Home blood pressure monitors may not be accurate enough

ALBERTA: Even as doctors are increasingly relying on home blood pressure monitoring to manage patients with hypertension, many of the devices are too inaccurate to be useful, according to a small study. About 70 percent of the time, home monitors weren’t accurate within 5 mmHg, which is considered clinically important, researchers say. And 30 percent of the time the devices were 10 mmHg off the mark. Hypertension, or high blood pressure, "is the number one cause of death and disability in the world," said lead study…