So I took some advice from my last post responses and picked up a home monitoring device. It's a manual inflate self-taking w/ the sphyga-thingy. I think I got the hang of it but sometimes when releasing the valve when it reaches, say, 150, I hear a kind of phantom heart beat which then goes away after about 3 beats, then when I continue to release I hear the real beat (with no mistaking) approx 10-15mm lower. Do I go with the real deal or is that phantom beat the actual systolic? And is it OK to stop the release when I hear the beat to look closer at the sphyg and then continue until I no longer hear it and get the dialostic? I think I've got the hang of it but I figured this board probably knows the ins and outs. Thanks.