Home Monitor.

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Hey guys,

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So, this will probably be a dumb question.

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Can a home blood pressure device by off by 80 points?

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My Mother had a blood pressure reading of 215 at her appointment with her cardiologist a while ago.

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She checked her pressure here today & it was 132.

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I'm just wondering if a home test can be off by that much? It's been around that reading for the past few weeks now.

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Thanks!