eli5 why do some blood pressure cuffs have two tubes?

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Regarding automatic blood pressure cuffs, I’m wondering why some blood pressure cuffs have two tubes and others only have one.

In: Biology

2 Answers

Anonymous 0 Comments

One benefit could be a separate connection for the pressure sensor and the pressure pump. This probably reduces the noise/error in pressure readings. Of course it costs more for tubing etc. so that’s a design tradeoff.

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