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Über dieses Produkt
- KurzbeschreibungA complex web of factors has created the phenomenon of overdiagnosis: the popular media promotes fear of disease and perpetuates the myth that early, aggressive treatment is always best; in an attempt to avoid lawsuits, doctors have begun to leave no test undone, no abnormality overlooked; and profits are being made from screenings, medical procedures, and pharmaceuticals. Revealing the social, medical, and economic ramifications of a health-care system that overdiagnoses and overtreats patients, Dr. H. Gilbert Welch makes a reasoned call for change that would save us pain, worry, and money.
- AutorH. Gilbert Welch,Lisa M. Schwartz,Steven Woloshin
- Seiten248 Seiten
- Gewicht358 g
- LeseprobeMy first car was a '65 Ford Fairlane wagon. It was a fairly simple - albeit
large - vehicle. I could even do some of the work on it myself. There was a lot
of room under the hood and few electronics. The only engine sensors were a
temperature gauge and an oil-pressure gauge.
Things are very different with my '99 Volvo. There's no extra room under
the hood - and there are lots of electronics. And then there are all those little
warning lights sensing so many different aspects of my car's function that
they have to be connected to an internal computer to determine what's wrong.
Cars have undoubtedly improved over my lifetime. They are safer, more
comfortable, and more reliable. The engineering is better. But I'm not sure
these improvements have much to do with all those little warning lights.
Check-engine lights - red flags that indicate something may be wrong
with the vehicle - are getting pretty sophisticated. These sensors can identify
abnormalities long before the vehicle's performance is affected. They are
making early diagnoses.
Maybe your check-engine lights have been very useful. Maybe one of
them led you to do something important (like add oil) that prevented a much
bigger problem later on.
Or maybe you have had the opposite experience.
Check-engine lights can also create problems. Sometimes they are false
alarms (whenever I drive over a big bump, one goes off warning me that
something's wrong with my coolant system). Often the lights are in response
to a real abnormality, but not one that is especially important (my favorite is
the sensor that lights up when it recognizes that another sensor is not sensing).
Recently, my mechanic confided to me that many of the lights should
probably be ignored.
Maybe you have decided to ignore these sensors yourself. Or maybe
you've taken your car in for service and the mechanic has simply reset them
and told you to wait and see if they come on again.
Or maybe you have had the unfortunate experience of paying for an
unnecessary repair, or a series of unnecessary repairs. And maybe you have
been one of the unfortunate few whose cars were worse off for the efforts.
If so, you already have some feel for the problem of overdiagnosis.
I don't know what the net effect of all these lights has been. Maybe they
have done more good than harm. Maybe they have done more harm than
good. But I do know there's little doubt about their effect on the automotive
repair business: they have led to a lot of extra visits to the shop.
And I know that if we doctors look at you hard enough, chances are we'll
find out that one of your check-engine lights is on
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