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Bogus blood pressure

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Posted by Was Istoben on January 31, 2009, 6:57 pm
 
Ever since I started living like a gerbil I've taken my blood pressure
before and after running on the treadmill.  At first, my BP readings were
all over the place, typical of what I've observed over the years.

I've mentioned the pulse rate chest strap I wear on the treadmill before.
Because I put this on to manage my treadmill speed and ramp, it is always on
when I take my BP.  The BP device also displays the PR.  A while back I
started comparing the PR from my chest strap, known to be accurate from
testing at cardiac rehab, with the PR from the BP device.  About half the
time the two readings were extremely close, but the rest of the time the BP
device was reading much lower indicating it was missing beats.  If it can't
properly read a beat, it can't produce a good BP reading.  When it is
missing beats it *always* reports a higher BP.  For example, yesterday it
reported 152/82 on the bad test, 108/59 on the good test.

Holy shit, you say?  The bad reading could be justification for taking BP
meds.  Since I've started discarding all readings where the PR variance was
more than two beats  my post-exercise readings have been extremely
consistent.  Here are the last seven systolic:  108,108,106,106,101,114,106
and the last seven diastolic:  63,59,58,63,63,65,60

It's really easy to check your own pulse rate by counting your wrist or neck
pulse for 10 seconds and multiplying by six.  Next time you check your BP
compare the machines PR with what you get.  If they differ, discard that
reading, adjust the cuff slightly, and try again.


Posted by Was Istoben on January 31, 2009, 6:58 pm
 
Sorry, posted this to the wrong group.



Posted by greenpjs on January 31, 2009, 7:17 pm
 On Sat, 31 Jan 2009 12:58:20 -0600, "Was Istoben"


Thank you for posting to the wrong group.  I learned something useful
I wouldn't have known otherwise.  What group was it meant for?  ...Pat


Posted by Was Istoben on January 31, 2009, 7:25 pm
 

Thanks, Pat, but it's not a cardiac group but rather an abandoned group
populated by the same 8 friends for the past 10 years.  I'm pleased you
found this useful.


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