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YOUR HEALTH. |
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Articles
about heart related diseases are necessary today because
most people die everyday worrying about their heart
problems. Heart diseases are found both in the rich and
the poor; much more in the latter. While the rich get it
labeled, the poor are unaware of its existence. Whereas
lower animals like snakes get their blood supply to the
muscles directly from the cavity , man pays a very heavy
price of evolution with a very complicated blood supply
system, the coronary tree ; taking origin from the large
outlet vessel, the aorta. The three epicardial coronary
vessels, on the surface of the heart, supply blood to the
heart muscle through millions of tiny vessels, called
perforating vessels; the latter really feed the muscle.
Under normal conditions, at rest, these small vessels
supply enough blood: under stress they open up more
supplying extra blood. This mechanism is called coronary
reserve. Coronary artery disease results due, mainly,
to a reduced coronary reserve and not so much to the
blockages in the larger vessels seen in the x-ray
picture. ( coronary angiogram). Doctors should
diagnose coronary artery disease mainly from the patients
symptoms and other ancillary tests like stress ECG,
thallium Scan, etc. Coronary angiogram is not a
diagnostic procedure. It is needed only after a
doctor decides that the patient needs surgical bypass, as
a pre-requisite for plumbing.
Atherosclerotic large vessel blocks, start in child-hood
in those who inherit the Athras gene (only 30% of
Caucasians have it). In those with the gene, blockages
start even at the age of 10.
In a survey of about 60,000 patients who underwent bypass
and angioplasty, only 14% got the benefit of an increase
in their life span of 4 months to 4.5 years; whereas, 84%
of them did not benefit by even a day’s extra life.
In fact, those who benefited had been either bed-ridden
or had unbearable chest pain before surgery.
On the other hand, Nature has its own bypass mechanisms
in those with large arterial blocks :
- Muscles adapt to live
with reduced blood supply.
- Collateral
circulation starts whenever the main coronary
vessel develops blocks.
- Whenever there is a
blockage, the perforating vessels dilate more and
supply enough blood to the muscle. Then, do we
need doctors’ advice ? Yes, when natural
systems fail or become incapable or weak, we can
make them work through proper medication.
If a person has a heart
attack gene, then he is sure to get a heart attack.
However, if one lives without hatred and jealousy, then
one can postpone the evil. In those without the gene, the
heart does not suffer. Smoking and drinking aggravate
this disease. Fried foods and meat are not good. Daily
exercise helps to fight the disease.
- abstract of an
article in the Kannada magazine "Taranga" dated
DEC 1, 1996 by Dr. B.M. Hegde, a Cardiologist, and Dean,
Kasturba Medical College, Mangalore.
[index]
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