Is there a cholesterol newsgroup? Are there any good sites, where
one may find out as much about cholesterol as possible?
Please e-mail direct. Thanks.
–
Robert Gelb, Robert Gelb and Associates Inc.
Financial Consulting
Mergers & Acquisitions
Venture Capital
Can anyone tell me why my doctor determined my total cholesterol and LDL
amounts from a test taken about six hours after I had breakfast?
I thought the fasting time was overnight. Is there a very small difference
in results between a six hour and a fourteen hour fast?
M. Senn
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j…@cs.unc.edu (John Eyles) writes: > How long does it take to regain one’s full cardiovascular
> capacity after donating blood ? They say 5 hours before
> heavy exercise, but of course one must wait some weeks
> before donating again. I played vigorous aerobic sports
> the evening after donating (yesterday) and seemed to note
> some loss of aerobic capacity. Can I expect to be fully
> recovered after 24 hours ? Is the mulit-week wait before
> re-donating for some reason other than replacing all the
> red blood cells ? Curiously …
Dear John
When you donate a unit of blood, your haemoglobin level drops by around
1 g/dl. As you sound like a pretty fit, healthy individual it’s unlikely
that this would have caused you any untoward adverse effects (the
adaptation to acute blood loss is to simply increase cardiac output). The
suggested delay of 5 hours post-donation is to allow time for your plasma
volume to recover; the time required to make new RBCs is obviously a bit
longer (days rather than hours).
The suggested time between donations (6 months in the UK) is usually more
to do with logistics than anything else; in fact, you can donate up to 3
units of blood in as many weeks if you want to donate your own blood
before surgery, for example (provided you are not anaemic to start off
with though).
Hope my simplistic explanation helps. Obviously, if you were an anaemic
geriatric with cardiac disease then your apparent decrease in aerobic
capacity might have been easier to explain!!
Steve Winter
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the former more likely than the latter with many other possibilities in
between… see your doctor.
—
Andrew Chung
Homepage at:
http://userwww.service.emory.edu/~achung
Mirrored at:
http://www.emory.edu/WHSC/MED/HTN/~achung/
Attention all EKG lovers!!! Test your diagnostic abilities. Each month I
will feature a different tracing with a brief patient description for
evaluation and diagnosis. Responses will be e-mailed to me. The answers
will be posted the following month along with a list of those who
responded correctly. Good luck!
You can find my EKG Quiz at:
http://www.voicenet.com/~kosmas/ekg.ht
Is anyone familiar with the medical treatment for cardiac failure that
involves "reversing" bloodflow. Anyone with info please post or email
badj…@webspan.net
–
BM@
I’m a 33-year old male. In March I was diagnosed to have idiopathic cardiomyopathy
after an echocardiogram indicated insufficient heart contractions (I think I heard the
phrase: "40 percent ejection"). It was considered to be a fairly mild case, basically
symptomlesss. I was placed on a vasodialator–I don’t recall the name–and was told I
should basically abstain from alcohol for the rest of my life and should start an
excercise program. Last week I had a followup echo and my heart appeared absolutely
normal. What could cause this sort of muscle damage for such a short time? Is it still
critical to avoid alcohol? What are the chances I will have future problems?
- Mike
CARDIAC MONITORING
Our web site First-Call Medical has detailed Articles, Papers and Case Studies on Cardiac
Monitoring.
We also have links to other sites with information to cardiac monitoring and diagnotics.
If you would like information on Cardiac Monitoring, please visit us at
http://www.FCMinc.com/