Solve the mystery please?
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I have a question that is puzzling me. Some of the time when I take people's blood pressures the cuff inflates, but the needle that tells you what the pressure is doesn't move. My teachers couldn't explain it. Have you ever had this happen to you? It makes me look pretty inept. Would love it if you could solve the mystery.
I got this e-mail from my SIL. I think perhaps the needle is just stuck on the spigmo? Any other thoughts? Thanks!