What arm should I use for home blood pressure readings?

[Kenneth.G]

I’ve been told I need to start monitoring my blood pressure at home, but I’m confused about which arm to use. My doctor said there can be a significant difference between readings, and now I’m worried my first few tries might be giving me an inaccurate picture.

[James_D]

Most folks I know just pick one arm and stick with it so the readings stay comparable. I tried flipping between arms once and saw about a 6 to 8 mmHg swing, which made me doubt the first number.

[Charles61]

I ended up using the left arm every time. I sit with my back supported, feet uncrossed, and I keep the cuff at heart level for the minute before taking the reading. It felt awkward at first but the numbers seemed steadier after a few sessions.

[HarperC]

Could the real issue be the cuff size or how you position your arm, not which arm you use?

[NoraZM]

I remember the first try I got a high reading and it rattled me. I waited, retook after a short rest, and then did two more in a row on the same arm. The second and third numbers were a lot closer, which made me rethink the panic.